CN110091429B - Material distribution system and material distribution method for composite heat-insulating wallboard production line - Google Patents

Abstract

The invention provides a material distribution system and a material distribution method for a composite heat-insulating wallboard production line. The material distribution system adopts the rotary blanking valve to carry out constant volume feeding, and monitors the weight change of the hopper in one blanking period on line through the loading device, thereby realizing the purpose of automatically adjusting the blanking amount according to the thickness of the material layer of the prefabricated wallboard; the telescopic arm of the trowelling device is controlled to stretch according to the thickness of the gel layer, so that the height of the trowelling plate is automatically adjusted; the system has compact structure, combines a plurality of working procedures into an automatic continuous operation assembly line, and realizes automatic continuous production.

Description

Material distribution system and material distribution method for composite heat-insulating wallboard production line

Technical Field

The invention belongs to the technical field of composite heat-insulating wallboard manufacturing, and particularly relates to a material distribution system and a material distribution method for a composite heat-insulating wallboard production line, which can automatically distribute materials and have compact structures.

Background

At present, the prefabricated wall board is widely applied to building construction, wherein the composite heat-insulating wall board is a common prefabricated wall board. The composite heat-insulating wallboard is a sandwich wallboard, gel material hardening layers are arranged on two sides of the sandwich wallboard, a prefabricated heat-insulating board is arranged in the middle of the sandwich wallboard, a prefabricated wallboard production system formed by flat dies is generally adopted for production, the prefabricated wallboard production system is generally in a production line production mode, namely, batch forming dies are carried on a die conveying rail, and the following process operations are sequentially carried out along the die rail by the forming dies: the method comprises the steps of paving a bottom layer of grid cloth, paving a first layer of gel material, placing a heat-insulating plate, paving a second layer of gel material and paving a surface layer of grid cloth, wherein the traditional process generally requires manual operation, and has high labor cost; the degree of automation is low, the thickness adjustment of the composite heat-insulating wallboard depends on manual experience, the accurate control is difficult, and the dimensional consistency is poor; the connection of the middle heat-insulating plate and the upper and lower gel material hardening layers is easy to generate the phenomenon of cavity falling off, and the quality of the product is uneven.

According to the demands of different application occasions, the gel layer thickness of the composite heat-insulating wallboard can be different, the blanking amount of the composite heat-insulating wallboard entering a forming die in unit time of slurry is required to be accurately controlled to obtain different material layer thicknesses, the current common practice is to adjust the blanking amount by manually adjusting the opening of a blanking valve, the accuracy is poor, time and labor are wasted, and the online operation cannot be realized. Meanwhile, the height of a trowelling plate in the trowelling device needs to be frequently adjusted to adapt to different material layer thicknesses, the current common practice is to realize the adjustment of the trowelling height by manually adjusting the telescopic length of a screw rod, time and labor are wasted, the precision and consistency are poor, and automatic operation cannot be realized.

In the existing material distribution system, a blanking valve is generally adopted to control the blanking amount, the blanking valve is generally provided with a turning plate blanking valve and a rotary blanking valve, the blanking amount of the turning plate blanking valve is related to the size of a discharge hole, the blanking amount of slurry in a storage bin and a hopper is also related to the self weight of the slurry in the storage bin and the hopper, and uneven blanking amount in one discharging period is easy to occur, so that uneven thickness of a prefabricated plate is caused, and particularly, for a material with strong fluidity, such as gel material, the flow control is poor, and the blanking accuracy is poor; the rotary blanking valve realizes constant volume feeding by the rotation of the impeller, and the flow control of the rotary blanking valve on materials is better than that of a flap valve, but in the existing rotary blanking valve, the impeller is usually made of metal, so that the rotation of the impeller is not influenced, the friction between the impeller and the inner wall of a valve body is avoided, and a small gap is reserved between the impeller and the valve body. The impeller has poor tightness, slurry is easy to leak from the gap, and the blanking precision is affected; in addition, in the actual operation process, tiny sand and stone are easy to clamp in the gap between the impeller and the valve body, so that friction of the rotary blanking valve is increased, the impeller is easy to damage and even cannot operate, and production continuity is affected.

The existing trowelling device is poor in mobility and viscosity adaptability to slurry, sand holes and dryness can occur on the surface of a material layer for gel materials with poor mobility and high viscosity, and a vibrating mechanism is not arranged on the common trowelling device, so that the trowelling effect is poor. Some trowelling devices with vibrating mechanisms also appear at present, and due to the limitation of rigid structures, the trowelling devices have poor vibrating effect or damage to the rigid structures due to long-time vibration, so that the service life is reduced.

In addition, the existing material distribution system is generally arranged in a split mode with a trowelling device, slurry is firstly injected into a wallboard forming die, trowelling operation is then carried out, and the structure of the mode is not compact, and the production efficiency is low.

The existing distribution system has poor adaptability to raw materials, and for gelled materials with poor fluidity and high cohesiveness, slurry in the distribution system is easy to wall, and the problem of unsmooth discharging can be generated.

Disclosure of Invention

Aiming at the defects, the invention aims to provide a material distribution system for a composite heat-insulating wallboard production line, which is accurate, efficient, time-saving, labor-saving and capable of automatically distributing materials, and is particularly suitable for occasions of gel materials with poor fluidity and higher viscosity.

The technical scheme adopted by the invention is as follows:

The utility model provides a cloth system for compound heat preservation wallboard production line, including mould conveying track (100) that is used for carrying wallboard forming die (200), frame (07) and along the direction of transportation of mould conveying track (100) set gradually bottom net cloth laying device (300), one-level unloader (400A), one-level trowelling device (400B), heated board laying device (500), heated board positioner (600), second grade unloader (700A), second grade trowelling device (700B) and top layer net cloth laying device (800) at each cloth station, wherein:

The first-stage blanking device (400A) comprises a feed bin (02), a hopper (03), a loading device (05) and a rotary blanking valve (01) which are sequentially communicated from top to bottom, wherein the loading device (05) is arranged on a frame (07), and the weights of the feed bin (02), the hopper (03), the rotary blanking valve (01) and built-in slurry are all applied to the loading end of the loading device (05);

The first-stage trowelling device (400B) and the first-stage blanking device (400A) are integrally arranged and fixed on the side wall of a hopper (03) of the first-stage blanking device (400A) so as to realize blanking and trowelling operation at the same time;

The secondary blanking device (700A) and the secondary trowelling device (700B) have the same structure and layout as the primary blanking device (400A) and the primary trowelling device (400B);

The distribution system further comprises a controller (900), and the loading device and the driving mechanism of the distribution device on each distribution station are electrically connected to the controller (900).

In the cloth system for the composite heat-insulating wallboard production line, the load device (05) comprises a weighing sensor (051), a signal conditioning circuit (052) and a signal processing unit (053), wherein the weighing sensor (051) is positioned at the load end of the load device (05) and converts the pressure generated by the born weight into an electric signal; the signal conditioning circuit (052) comprises an amplifying and filtering circuit and is used for amplifying and filtering the electric signal output by the weighing sensor (051); the signal processing unit (053) comprises an A/D converter and a processor, the A/D converter converts the analog signal output by the signal conditioning circuit (052) into a digital signal, and the processor processes, stores and transmits the obtained digital signal to the controller (900).

In the cloth system for the composite heat-insulating wallboard production line, the weighing sensor (051) is a resistance strain type weighing sensor and comprises an elastomer, a resistance strain gauge and a detection circuit, wherein the resistance strain gauge is adhered to the elastomer, a supporting leg (031) arranged on the outer side wall of the upper end of the hopper (03) is supported on the elastomer of the weighing sensor (051), the resistance of the resistance strain gauge is changed along with the deformation of the resistance strain gauge on the elastomer, and the detection circuit converts the resistance change of the resistance strain gauge into a voltage signal.

In the material distribution system for the composite heat-insulating wallboard production line, the rotary blanking valve (01) comprises a valve body (014) provided with a cavity and a mandrel (013) arranged in the cavity of the valve body (014), an impeller (018) is arranged in the cavity of the valve body (014), the end part of the mandrel (013) extending out of the valve body (014) is connected with an output shaft of a first driving motor (019), the impeller (018) is provided with a plurality of plate-type blades arranged at the periphery of the mandrel (013) at intervals, the free ends of at least two blades are fixedly provided with flexible sealing plates (017), and the flexible sealing plates (017) are in close contact with the inner wall of the cavity of the valve body (014); preferably, the free end of each blade is secured with a flexible sealing plate (017).

In the material distribution system for the composite heat insulation wallboard production line, the primary trowelling device (400B) comprises a first connecting arm (1) and a second connecting arm (2), one ends of the first connecting arm (1) and the second connecting arm (2) are respectively fixed on the side wall of a hopper (01) of the material distribution system, the other end of the first connecting arm (1) is hinged with a telescopic arm (6), the other end of the second connecting arm (2) is hinged with a connecting frame (3), and the other end of the connecting frame (3) is hinged with the telescopic arm (6); the trowelling plate (5) is fixed on the connecting frame (3); the driving mechanism is a driving motor (7), and an output shaft of the driving motor (7) is connected with the telescopic arm (6) to drive the telescopic arm (6) to stretch out and draw back.

In the cloth system for the composite heat-insulating wallboard production line, the connecting frame (3) comprises a front end plate (31), a rear end plate (32) and a connecting plate (33), wherein the front end plate (31) and the rear end plate (32) are all as wide as the plastering plate (5), two ends of the front end plate (31) and the rear end plate (32) are respectively connected by the connecting plate (33) to form a frame structure, the rear end plate (32) is hinged with the second connecting arm (2), the front end plate (31) is hinged with the telescopic end of the telescopic arm (6), and the plastering plate (5) is fixed on the front end plate (31); the primary trowelling device (400B) further comprises at least one vibrating motor (4), and the vibrating motor (4) is fixed at a position, close to the free end, on the front end plate (31) of the connecting frame (3); elastic vibration reduction components are arranged at the connecting parts of the connecting frame (3) and the second connecting arm (2) and the connecting parts of the connecting frame (3) and the telescopic arm structure (6).

In the material distribution system for the composite heat-insulating wallboard production line, the heat-insulating board laying device (500) comprises a vertical telescopic mechanism (15), a horizontal travelling mechanism (16) and a grabbing mechanism (17), wherein the grabbing mechanism (17) is connected to the horizontal travelling mechanism (16) through the vertical telescopic mechanism (15), and driving motors of the vertical telescopic mechanism (15) and the horizontal travelling mechanism (16) are electrically connected to the controller (900); the horizontal travelling mechanism (16) is preferably a sliding block structure sliding along a sliding rail, and the vertical telescopic mechanism (15) is preferably a wheel sliding structure fixed on the sliding block.

The invention also provides a material distribution method which is implemented based on the material distribution system for the composite heat-insulating wallboard production line and comprises the following steps of:

step one, a wallboard forming die (200) is operated to a station where a bottom layer grid cloth paving device (300) is located, and a controller (900) controls a driving motor of the bottom layer grid cloth paving device (300) to pave a bottom layer grid cloth (10) on a bottom plate of the wallboard forming die (200);

Step two, the wallboard forming die (200) is operated to a station where the first-stage blanking device (400A) is located, the controller (900) controls a first driving motor (019) of the first-stage blanking device (400A) to pour slurry made of gel materials on a bottom layer mesh cloth (10) to form a bottom layer slurry layer (11), and simultaneously controls a second driving motor (7) of the first-stage trowelling device (400B) to control the bottom layer slurry layer (11) to be at a preset thickness and trowelled while blanking;

step three, the wallboard forming die (200) is operated to a station where the insulation board laying device (500) is located, and the controller (900) controls a driving motor of the insulation board laying device (500) to align and place the insulation board (12) on the bottom slurry layer (11);

Fourthly, the wallboard forming die (200) is operated to a station where the heat-insulating plate positioning device (600) is located, and the controller (900) controls a third driving motor (191) of the heat-insulating plate positioning device (600) to adjust the press roller (13) to a preset height and tightly press the heat-insulating plate (12);

step five, referring to step two;

step six, refer to step three.

In the above-mentioned material distribution method, in the second and fifth steps, the controller (900) automatically adjusts the material-discharging amount on line, that is, the controller (900) controls the first driving motor (019) to drive the impeller of the rotary material-discharging valve (01) to rotate according to the preset control parameter, so as to complete the material-discharging in a material-discharging period T1, and at the same time, receives the weight change of the material-discharging device in the material-discharging period fed back by the load device (05), that is, the actual material-discharging amount in the material-discharging period, the controller (900) compares the obtained actual material-discharging amount with the theoretical material-discharging amount, and adjusts the impeller rotating speed of the rotary material-discharging valve (01), that is, the running speed V1 of the first driving motor (019), according to the comparison result, and automatically adjusts the material-discharging amount.

In the above-mentioned cloth method, the automatic on-line adjustment of the blanking amount means: the controller (900) processes the weight data acquired by the loading device (05) by adopting an online sliding filter, and acquires the actual blanking amount of the blanking period T1, wherein the online sliding filter comprises the following execution steps:

Step S0, determining a sampling period T2 of the weight data collected by the load device according to the number N1 of impellers of the rotary blanking valve (01) and the effective volume VL of the material cavity; initializing two queues R1 and R2 (first-in first-out), the length of the queues being N, n=int (T1/T2), N being a natural number;

Step S1, calculating the blanking amount of a blanking period T1;

The method specifically comprises the following steps: the load device (05) collects weight data, the weight data in the queue R1 sequentially move towards the queue head, the detected weight data are put into the queue tail of the queue R1, and if the queue head data in the queue R1 are not empty, the blanking quantity delta W=R (1) -R (N) of a first complete blanking period is obtained; if the queue head data in the queue R1 is empty, repeating the step S1;

s2, eliminating abnormal values;

The method specifically comprises the following steps: sequentially moving the blanking amount in the queue R2 towards the queue head, putting the acquired blanking amount data delta W into the queue tail of the queue R2, if the queue head data in the queue R2 is not empty and N is more than 15, adopting a Laider criterion to reject abnormal values of N blanking amount data in the queue R2, and if the blanking amount data are rejected, repeating the steps S1 and S2;

if the queue head data in the queue R2 is not empty and N is less than or equal to 15, adopting a Grabbs test method to reject abnormal values of N blanking amount data in the queue R2; if the blanking amount data is removed, repeating the steps S1 and S2;

If the queue head data in the queue R2 is empty, repeating the steps S1 and S2;

step S3, obtaining the average value of the blanking amount data in the queue R2 As the actual blanking amount of the current blanking period.

The beneficial effects of the invention are as follows: the material distribution system has compact structure, combines a plurality of working procedures into an automatic continuous operation assembly line, realizes automatic continuous production, and improves the working efficiency and the product quality; the rotary blanking valve is adopted for constant volume feeding, the blanking amount is controlled by controlling the rotating speed of an impeller flexibly connected with the valve body, the weight change of a hopper in one blanking period is monitored on line through a load device and is fed back to the controller, the rotating speed of the impeller of the rotary blanking valve is regulated on line by the controller according to a feedback signal, the blanking amount is ensured to be basically constant in one blanking period, and the aim of automatically regulating the blanking amount according to the thickness of a material layer of a prefabricated wallboard is fulfilled; according to the flexible arm of the flexible arm trowelling device of gel layer thickness control trowelling device and then drive the trowelling board to rotate in vertical direction, realize the automatic adjustment of trowelling board height, guarantee compound heat preservation wallboard dimensional accuracy, improve production efficiency.

Drawings

FIG. 1 is a block diagram of a distribution system of the present invention;

FIG. 2 is a schematic structural and process diagram of the distribution system of the present invention;

FIG. 3 is a schematic structural view of the blanking device;

FIG. 3A is an enlarged schematic view of the area A in FIG. 3;

FIG. 4 is a block diagram of the electrical connection of the load device;

FIG. 5 is a schematic diagram of the structure of a rotary blanking valve;

FIG. 6 is a cross-sectional view taken along line B-B in FIG. 5;

FIG. 7 is a schematic view of the construction of the trowelling device;

FIG. 8 is a side view of the trowelling device;

FIG. 9 is a schematic diagram of the operation of the trowelling device;

FIG. 10 is a schematic view of the structure of the insulation board positioning device;

fig. 11 is a schematic side view of an insulation board positioning device.

The reference numerals in the drawings are as follows:

100-mould conveying tracks; 200-wallboard forming die; 300-a bottom layer grid cloth paving device; 400A-a first-stage blanking device; 400B-a primary trowelling device; 500-a heat insulation board laying device; 600-an insulation board positioning device; 700A-a secondary blanking device; 700B-a secondary trowelling device; 800-a surface layer mesh cloth paving device; 900-a controller;

01-a rotary blanking valve, 011-a feed inlet, 012-a sealing end cover, 013-a mandrel, 014-a valve body, 015-a feed outlet, 016-an access hole, 017-a flexible sealing plate, 018-an impeller and 019-a first driving motor;

02-bin, 021-raw material inlet; 03-hopper, 031-leg; 04-stirring machine;

05-a load device, 051-a weighing sensor, a 052-a signal conditioning circuit, a 053-a signal processing unit and a base 054;

06-a vibrator; 07-a frame;

1-a first connecting arm, 2-a second connecting arm, 3-a connecting frame, 31-a front end plate, 32-a rear end plate and 33-a connecting plate; 4-vibration motor, 5-trowelling plate, 6-telescopic arm structure and 7-second driving motor;

10-bottom grid cloth, 11-bottom slurry layer, 12-heat insulation board, 13-press roller, 14-surface slurry layer, 15-vertical telescopic mechanism, 16-horizontal travelling mechanism, 17-grabbing mechanism and 18-surface grid cloth;

19-compression roller adjusting mechanism, 191-third driving motor, 192-adjusting telescopic mechanism, 193-fixed arm, 194-crank arm.

Detailed Description

In order to solve the problems of low automation degree, uneven blanking amount, poor consistency of gel layer thickness adjustment, low production efficiency and the like of the conventional material distribution system for the composite heat-insulating wallboard production line, the invention provides a material distribution system and a material distribution method for the composite heat-insulating wallboard production line, wherein the material distribution system comprises a controller, a bottom grid cloth paving device, a first-stage blanking device, a first-stage trowelling device, a heat-insulating board paving device, a heat-insulating board positioning device, a second-stage blanking device, a second-stage trowelling device and a surface grid cloth paving device which are sequentially arranged at each material distribution station along a die conveying track, the trowelling device and the corresponding blanking device are integrally arranged, and the controller controls each device to realize automatic material distribution of wallboard forming dies; according to the material distribution method, a rotary blanking valve is adopted for constant volume feeding, the blanking amount is controlled by controlling the rotating speed of an impeller flexibly connected with a valve body, the weight change of a hopper in one blanking period is monitored on line through a loading device and fed back to a controller, the rotating speed of the impeller of the rotary blanking valve is regulated on line by the controller according to a feedback signal, the blanking amount is ensured to be basically constant in one blanking period, and the aim of automatically regulating the blanking amount according to the thickness of a material layer of a prefabricated wallboard is fulfilled; according to the flexible arm of the flexible arm trowelling device of gel layer thickness control trowelling device and then drive the trowelling board to rotate in vertical direction, realize the automatically regulated of trowelling board height, guarantee compound heat preservation wallboard dimensional accuracy, improve production efficiency.

The distribution system and the distribution method for the composite thermal insulation wallboard production line of the present invention are described in detail below with reference to examples and drawings.

System and method for controlling a system

Fig. 1 and 2 are structural examples of a distribution system for a composite thermal insulation wallboard production line of the present invention. As shown in fig. 1, the distribution system includes a controller 900, and a bottom layer mesh cloth paving device 300, a first-stage blanking device 400A, a first-stage trowelling device 400B, an insulation board paving device 500, an insulation board positioning device 600, a second-stage blanking device 700A, a second-stage trowelling device 700B, and a surface layer mesh cloth paving device 800 sequentially arranged at each distribution station along a mold conveying rail 100, wherein each of the above devices can be fixed on a frame arranged above the mold conveying rail 100, and the mold conveying rail 100 is used for supporting a wallboard forming mold 200 and driving the wallboard forming mold 200 to run on the mold conveying rail 100 to form an automatic continuous running assembly line; the bottom layer mesh cloth paving device 300 is used for paving the bottom layer mesh cloth 10 on the wallboard forming die 200, the first-stage blanking device 400A is used for pouring slurry made of gel materials on the bottom layer mesh cloth 10 to form a bottom layer slurry layer 11, and the first-stage trowelling device 400B is integrally arranged with the first-stage blanking device 400A and is used for controlling the bottom layer slurry layer 11 to be at a preset thickness and trowelling during blanking; the insulation board laying device 500 is used for placing the insulation board 12 on the underlying slurry layer 11, and the insulation board positioning device 600 is used for controlling the insulation board 12 to be at a preset position and closely attached to the underlying slurry layer 11; the secondary blanking device 700A is used for pouring slurry on the heat insulation plate 12 to form a surface slurry layer 14, the secondary trowelling device 700B and the secondary blanking device 700A are integrally arranged, and are used for controlling the surface slurry layer 14 to be at a preset thickness and trowelling while blanking, and the structures and the working principles of the secondary blanking device 700A and the secondary trowelling device 700B are the same as those of the primary blanking device 400A and the primary trowelling device 400B; the surface layer scrim layer laying apparatus 800 has the same structure and operation as the bottom layer scrim layer laying apparatus 300 for laying the surface layer scrim 18 on the surface layer slurry layer 14.

The production process of the material distribution system for the composite heat-insulating wallboard production line is automatically completed, namely, under the control of the controller 900, the wallboard forming die 200 continuously runs on the die conveying track 100, the bottom layer grid cloth is automatically paved through the bottom layer grid cloth paving device 300, the first-level blanking device 400A uniformly and stably performs blanking, the first-level leveling device 400B controls the slurry to be at a preset thickness and levels, the heat-insulating board paving device 500 automatically aligns and places the heat-insulating board on the bottom layer slurry, the heat-insulating board positioning device 600 automatically positions the heat-insulating board to be high and enables the heat-insulating board to be closely attached to the bottom layer slurry, the second-level blanking device 700A uniformly performs blanking, the second-level leveling device 700B controls the slurry to be at the preset thickness and levels, and the surface layer grid cloth paving device 800 automatically lays grid cloth on the surface of the surface layer slurry. The mold conveying rails 100 where the material distribution stations are located are all provided with position switches, when the wallboard forming mold 200 reaches each material distribution station, the corresponding position switch is triggered, and the controller 900 acquires information of the corresponding position switch so as to control the device corresponding to the material distribution station to work according to preset steps; it is apparent that the present invention is not limited to the manner in which the wallboard forming mold 200 is positioned, and that machine vision or position sensor positioning may be employed in addition to the position switch positioning described above. The production process is automatically completed without manual operation, so that the workload is reduced, and the labor cost is reduced; the blanking and trowelling are synchronously carried out, so that the working efficiency is improved.

The bottom layer mesh cloth paving device 300 comprises a roller, a bracket, a feeding guide mechanism and a cutting mechanism, wherein the bottom layer mesh cloth 10 is wound on the roller, the roller is arranged on the bracket, and driving motors of the feeding guide mechanism and the cutting mechanism are controlled by the controller 900. The feeding guide mechanism consists of a plurality of guide rollers and guide plates, after the bottom layer mesh cloth is conveyed to the position of the wallboard forming mold 200, the controller 900 keeps the feeding speed of the feeding guide mechanism consistent with the moving speed of the wallboard forming mold 200, after one wallboard forming mold 200 is paved, the controller 900 controls the cutting mechanism to automatically cut off the bottom layer mesh cloth 10, so that the paving of one layer of mesh cloth is completed, and the next wallboard forming mold 200 is paved.

As shown in fig. 1, the primary blanking device 400A and the primary trowelling device 400B are integrally arranged to realize trowelling operation while blanking; fig. 3 to 6 are structural examples of the discharging device of the present invention. As shown in fig. 3, the blanking device is installed above the mold conveying track 100, and comprises a bin 02, a hopper 03, a loading device 05 and a rotary blanking valve 01 which are sequentially communicated from top to bottom, wherein:

As shown in fig. 3, the hopper 03 has a conical structure with a wide upper part and a narrow lower part, an inlet of the hopper 03 is connected with an outlet of the bin 02 through a partition plate, and the opening and closing of the partition plate are driven by a discharge valve; the outlet of the hopper 03 is communicated with a feed inlet 1 of a rotary blanking valve 01; the vibrator 06 is arranged on the outer side wall of the hopper 03, the vibrator 06 vibrates to activate the slurry in the hopper 03, so that the slurry blocking and wall hanging phenomena can be effectively eliminated, the problem of unsmooth discharge of the hopper 03 is solved, and the vibrator 06 has different vibration frequencies according to the performance index (including fluidity and viscosity) of the slurry (usually gel material); in one embodiment, the outlet end of the bin 02 is welded to the inlet end of the hopper 03, and the outlet end of the hopper 03 is mechanically connected to the inlet end of the rotary blanking valve 01.

The feed bin 02 is cylindrical structure, and the upper portion is equipped with raw materials entry 021 and mixer 04, and the bottom of feed bin 02 passes through the discharge valve and the entry linkage of hopper 03, and the raw materials gets into in the feed bin 02 from the raw materials entry 021 of feed bin 02, and at this moment, the discharge valve is closed, and the continuous stirring of mixer 04 makes the raw materials mix evenly in feed bin 02 and forms the ground paste, and the ground paste gets into the storage of hopper 03 after opening the discharge valve.

In one embodiment, the loading device 05 is mounted on a leg 031 arranged on the outer side wall of the upper end of the hopper 03, the load end of the loading device 05 bears the weight of the stock bin 02, the hopper 03, the rotary blanking valve 01 and the slurry therein, and the loading device 05 is used for weighing the blanking amount of the hopper 03 in a time period (which can be set according to requirements).

In the embodiment shown in fig. 3A and 4, the load device 05 includes a load cell 051, a signal conditioning circuit 052, a signal processing unit 053 and a mounting base 054, and in the embodiment shown in fig. 3A, the load cell 051 is fixed on the mounting base 054, the mounting base 054 is fixed on a frame 07, it is understood that the mounting base 054 may be fixed on other mechanisms, and the shape and the mounting position of the mounting base 054 are not limited by the present invention; the load end of the load device 05 is connected with the supporting leg 031 of the hopper 03, the weighing sensor 051 is located at the load end, the weight of the stock bin 02, the weight of the hopper 03, the weight of the rotary blanking valve 01 and the weight of slurry in the rotary blanking valve are transmitted to the weighing sensor 051, the pressure generated by the weight is converted into an electric signal by the weighing sensor 051, and the electric signal output by the weighing sensor 051 is electrically connected with the signal processing unit 053 through the signal conditioning circuit 052. In the embodiment shown in fig. 2, the signal conditioning circuit 052 includes an amplifying and filtering circuit for amplifying the electric signal output by the load cell 051 and filtering out the ripple wave in the electric signal; the signal processing unit 053 includes an a/D converter for converting the analog signal processed by the signal conditioning circuit 052 into a digital signal, and a processor for processing, storing, and transmitting the obtained digital signal to the controller 900.

In one embodiment, the load cell 051 is a resistance strain type load cell, and includes an elastic body (elastic element), a resistance strain gauge (conversion element) adhered to the elastic body, and a detection circuit, wherein the leg 031 of the hopper 03 is supported on the elastic body of the load cell 051, the weight change of the hopper 02, the hopper 03, the rotary blanking valve 01 and the slurry therein is applied to the elastic body, the deformation of the resistance strain gauge adhered to the elastic body is changed, the resistance value of the resistance strain gauge is changed, and the detection circuit converts the resistance value change of the resistance strain gauge into a voltage signal to be output. Preferably, an elastic buffer pad, such as a rubber pad, is laid between the elastic body and the leg 031 for buffering and reducing vibration interference generated during the weighing process.

The rotary blanking valve 01 is arranged at the outlet of the hopper 01 for storing slurry, and in the embodiment shown in fig. 5 and 6, the rotary blanking valve 01 comprises a valve body 014 and a mandrel 013 arranged in the middle of the valve body 014, a feed inlet 011 is arranged at the upper part of the valve body 014, a discharge outlet 015 is arranged at the lower part of the valve body 014, and sealing end covers 012 are respectively arranged at the two ends of the valve body 014; the inside of valve body 014 is equipped with the cavity, and dabber 013 locates in the cavity of valve body 014, and the both ends of dabber 013 are respectively supported on two seal end caps 012 of valve body 014 through the bearing, and the tip that dabber 013 stretches out valve body 014 is connected with the output shaft of first driving motor 019, and the dabber can be rotated under the drive of first driving motor 019.

An impeller 018 is arranged in the cavity of the valve body 014, the impeller 018 is a plurality of plate-type blades which are arranged at intervals in the circumferential direction of the mandrel 013, and adjacent blades and the inner wall of the valve body 014 form independent material cavities; the free ends of at least two blades are fixed with a flexible sealing plate 017, the flexible sealing plate 017 has certain elasticity, and is tightly contacted with the inner wall of the cavity of the valve body 014 through self Zhang Liya on the inner wall of the cavity of the valve body 014, so that flexible sealing is realized, and sand is prevented from being blocked in the running process of the impeller; preferably, the blades of the two free ends fixed with the flexible sealing plate 017 are symmetrically arranged, and the flexible sealing plate 017 can clean slurry (such as gel materials) or sand stuck on the inner wall of the valve 014 during the operation of the impeller, thereby preventing the impeller from being blocked by the sand and affecting the operation. In one embodiment, the flexible sealing plate 017 is made of rubber.

In one embodiment, the flexible sealing plate 017 is plate-shaped having the same width as the blades, and preferably, the free end of the flexible sealing plate 7 is arc-shaped to match the inner wall of the valve body 014.

In one embodiment, a flexible sealing plate 017 is fixed at the free end of each blade, or the blades of which the flexible sealing plate 017 is fixed at the free end are arranged at intervals with the blades of which the flexible sealing plate 017 is not fixed at the free end, so that gaps between the free ends of the blades and the inner wall of the valve body 014 are eliminated as much as possible, slurry leakage is prevented in the running process of the impeller, and the blanking precision is further ensured.

The flexible sealing plate 017 may be fixed to the free end of the blade by sleeving or bolting, for example, when the flexible sealing plate 017 is made of plate-like rubber having the same width as the blade, the flexible sealing plate 017 may be sleeved on the free end of the blade by using its elasticity, or the end of the flexible sealing plate 017 may be screwed to the free end of the blade by bolting.

In one embodiment, to facilitate maintenance or replacement of the impeller 018 and flexible sealing plate 017 mounted within the cavity of the valve body 014, the side of the valve body 014 is provided with at least one access port 016, the access port 016 being snap-sealed by a cap when the rotary blanking valve 01 is in operation; the impeller 018 and flexible sealing plate 017 may be opened when repair or replacement is required.

In one embodiment, the first driving motor 019 driving the spindle 013 to rotate is a speed-reducing motor with a speed-regulating function, and the gear of the speed-reducing motor can be regulated according to production requirements, so that the spindle 013 and the impeller 018 are driven to rotate at a preset speed, and the blanking amount is accurately controlled.

The working process of the rotary blanking valve is as follows: the motor drives the dabber 013 that is located the cavity of valve body 014 and rotates, and then drives the impeller 018 that is fixed in dabber 013 and rotate, and in the rotation process, the flexible closing plate 017 of the blade tip of impeller 018 and the cavity inner wall of valve body 014 paste tightly, and the ground paste in hopper 03 gets into between the blade of impeller 018 from the feed inlet 011, and when the ground paste between the blade changes below discharge gate 015 department, the material falls into in the wallboard forming die. In a preset rotating speed range (when the viscosity of the material is high, the rotating speed is not higher than the highest allowable rotating speed, and when the viscosity is higher, the material cavity where the material is located is not taken away by the impeller when reaching the discharge hole 015, but the discharging amount is smaller, so that the passing speed of the forming die needs to be slowed down, the rotating speed of the rotary discharging valve is controlled in the preset range at the same time), the rotating speed of the motor is higher, the corresponding rotating speed of the impeller 018 is higher, and the discharging amount is higher in single-unit time, so that the aim of accurately controlling discharging is fulfilled.

The rotary blanking valve is simple in structure and convenient to use, the blanking amount can be accurately controlled by controlling the rotation speed of the impeller, the sealing performance is enhanced by arranging the flexible sealing plate 017 at the end part of the blade of the impeller 018, and the phenomenon that the impeller is damaged or cannot operate due to the fact that sand and stone are clamped between the impeller and the inner wall of the cavity of the valve body 014 can be avoided, so that the service life of the rotary blanking valve is prolonged, and the cost is reduced; by providing the side of the valve body 014 with an access hole 016, maintenance or replacement of the impeller 018 and the flexible sealing plate 017 is facilitated.

In the embodiment shown in fig. 1 and 3, the driving mechanism of the agitator 04, the data interface of the loading device 05, the driving mechanism of the vibrator 06, and the driving mechanism of the first driving motor 019 of the rotary blanking valve 01, and the discharging valve that drives the opening/closing of the partition plate are electrically connected to the controller 900, respectively. The controller 900 comprises a processor, a storage unit and a man-machine interaction unit, wherein the storage unit and the man-machine interaction unit are electrically connected to the processor, the processor obtains preset parameters from the man-machine interaction unit, and calculates and obtains a motor rotating speed V1, a vibration frequency of the vibrator 06, a stirring speed V2 of the stirrer 04 and a theoretical blanking amount in a blanking period according to the obtained preset parameters, wherein the preset parameters comprise performance indicators (including flowability and viscosity) of gel materials, a material layer thickness TH, a specification L multiplied by K (length multiplied by width) of a forming die, a travelling speed V3 of the forming die, a blanking period T1, the number N1 of impellers of a rotary blanking valve and an effective volume VL of a blanking cavity; or obtaining the corresponding motor rotation speed V1, the vibration frequency of the vibrator 06 and the stirring speed V2 of the stirrer 04 through a mapping table of preset parameters stored in a memory and the operation speed V1 of the first driving motor 019, the vibration frequency of the vibrator 06 and the stirring speed V2 of the stirrer 04, wherein the mapping table can be obtained according to calculation, experiment or experience values; in a blanking period, the processor generates a control command according to the acquired motor rotation speed and sends the control command to the driving mechanism of the first driving motor 019, the first driving motor 019 is controlled to rotate according to the corresponding motor rotation speed, meanwhile, the load device 05 monitors the weight change of the blanking device on line and feeds the weight change back to the controller 900, the controller 900 generates a control command through a weight change signal (blanking amount in one blanking period) fed back, the rotation speed of the rotary blanking valve 01 is regulated on line, the blanking amount is accurately controlled, manual participation is not needed, and the degree of automation is improved. In addition, in the working process of the discharging device, the controller 900 controls the stirrer 04, the vibrator 06 and the discharging valve to work according to a preset time sequence. In an embodiment, the human-computer interaction unit may be a touch screen provided with a human-computer interaction interface.

The blanking device is positioned above the die conveying rail 100 of the composite heat-insulating wallboard production system, and the aim of automatically adjusting the blanking amount according to the thickness of the material layer of the composite heat-insulating wallboard is fulfilled. The device adopts the rotary blanking valve 01 to realize constant volume feeding, the blanking quantity is controlled by controlling the rotating speed of the impeller flexibly connected with the valve body 014, the weight change of the blanking device in a blanking period is monitored on line by the loading device 05 and is fed back to the controller 900, and the controller 900 adjusts the rotating speed of the impeller of the rotary blanking valve 01 according to a feedback signal, so that the blanking quantity is ensured to be basically constant in the blanking period; for gel materials with poor fluidity and viscosity manuscript, the controller automatically adjusts the frequency of the vibrator 06 and the stirring speed of the stirrer 04 according to the obtained raw material performance indexes, and the fluidity of the slurry is increased, so that uniform and stable discharging is facilitated, and the problems of wall hanging and unsmooth discharging of the slurry in the hopper 03 are solved. The device has compact structure, saves labor cost, and improves working efficiency and product quality.

Fig. 7 and 8 are structural examples of the trowelling device of the present invention. As shown in fig. 7 and 8, the trowelling device is mounted on a side wall of a hopper 03, and comprises a fixing mechanism, a telescopic arm structure 6 hinged with the fixing mechanism, a driving mechanism for driving the telescopic arm structure 6 to stretch and retract, and a trowelling plate 5 capable of following the telescopic arm structure 6, wherein the fixing mechanism is fixed on a side arm of the hopper 01 of a material distribution system, and the trowelling plate 5 is connected with the telescopic arm structure 6, and the trowelling plate comprises:

In one embodiment, the trowel 5 is directly fixed on the telescopic arm (telescopic end) of the telescopic arm structure 6, the driving mechanism is connected with the telescopic arm structure 6 to drive the telescopic arm structure 6 to move in a telescopic way, the trowel 5 directly changes the height along with the telescopic arm structure 6, the distance between the trowel 5 and the slurry surface in the forming mold 02 is further adjusted, and the driving mechanism and the telescopic arm structure 6 limit the trowel 5 to enable the trowel 5 to be supported and kept at a preset position.

In the embodiment shown in fig. 7 and 8, the fixing mechanism comprises a first connecting arm 1 and a second connecting arm 2, the first connecting arm 1 and the second connecting arm 2 being fixed on the side wall of the hopper 03, respectively; the fixed end of the telescopic arm structure 6 is hinged with the first connecting arm 1, the driving mechanism is a second driving motor 7, and an output shaft of the second driving motor 7 is connected with the telescopic arm of the telescopic arm structure 6 and used for driving the telescopic arm to do telescopic motion; the trowel 5 is connected to the telescopic boom of the telescopic boom structure 6 through a connecting frame 3, two ends of the connecting frame 3 are respectively hinged with the second connecting arm 2 and the telescopic boom structure 6, and the trowel 5 is fixed on the connecting frame 3 (namely, the second connecting arm 2, the connecting frame 3, the telescopic boom structure 6 and the first connecting arm 1 are sequentially hinged). When the second driving motor 7 drives the telescopic arm structure 6 to move in a telescopic mode, the connecting frame 3 is driven to rotate, and then the trowelling plate 5 is driven to rotate, so that the height of the trowelling plate 5 is adjusted. The trowelling device is directly arranged on the side wall of the hopper 03, so that the material distribution system and the trowelling device are integrally arranged, the structure is simple and compact, the space and the working procedures are saved, and the production efficiency is improved.

Specifically, in the embodiment shown in fig. 8, the connecting frame 3 is a frame structure, and includes a front end plate 31, a rear end plate 32 and a connecting plate 33, where the front end plate 31 and the rear end plate 32 are equal in width to the screed 5, two ends of the front end plate 31 and the rear end plate 32 are respectively connected by the connecting plate 33 to form a frame structure, the rear end plate 32 is hinged to the second connecting arm 2, the front end plate 31 is hinged to the telescopic end of the telescopic arm 6, the screed 5 is fixed on the front end plate 31, and preferably, the screed 5 is fixed at the free end of the front end plate 31.

Preferably, as shown in fig. 7, the trowelling device of the present invention further includes at least one vibration motor 4, the vibration motor 4 is fixed on the connecting frame 3 at a position close to the free end, the trowelling plate 5 is mounted on the free end of the connecting frame 3, the high-frequency vibration of the vibration motor 4 causes the free end of the connecting frame 3 to vibrate, and then the trowelling plate 5 can be driven to vibrate and be transferred to the surface of the material layer, and the bubbles in the slurry are discharged, so that the material layer is tightly combined, and phenomena such as honeycomb pitting surface of the material layer are eliminated, so as to improve the strength of the prefabricated wallboard. Compared with the conventional trowelling device in which a vibrating motor is usually arranged on a rigid structure, the vibrating motor is easy to damage rigid components after vibrating for a long time, the free end of the connecting frame 3 is provided with a certain vibration redundant space, the influence on other components is relatively light, and the service life is prolonged to a certain extent.

In one embodiment, the second driving motor 7 is arranged on one side of the telescopic arm structure 6, the second driving motor 7 is connected with a screw through a speed reducer, the screw is connected with a telescopic arm of the telescopic arm structure 6, and the second driving motor 7 drives the screw to move so as to realize telescopic movement of the telescopic arm.

In one embodiment, the first connecting arm 1 is located above the second connecting arm 2, the fixed end of the telescopic arm structure 6 is hinged to the first connecting arm 1, the trowel 5 is located above the track of the forming mold 02, the telescopic end (telescopic arm) of the telescopic arm structure 6 is hinged to the connecting frame 3, the telescopic arm can move in a telescopic manner to drive the connecting frame 3 to rotate, and then the trowel 5 is driven to rotate in the vertical direction, so that the distance between the trowel 5 and the slurry surface in the forming mold 02 is adjusted.

Preferably, the connection parts of the connecting frame 3 and the second connecting arm 2 and the connection parts of the connecting frame 3 and the telescopic arm structure 6 are respectively provided with an elastic vibration reduction part, and when the vibration motor 4 vibrates, the vibration of other parts except the connecting frame 3 and the trowelling plate 5 can be effectively reduced.

In one embodiment, the screeding plate 5 is an L-shaped bending plate, comprising a vertical plate fixed on the connecting frame 3 and a transverse plate for screeding the material layer, and in order to ensure that the screeding plate 5 can screeding the material layer, the transverse plate of the screeding plate 5 is kept horizontal in the direction perpendicular to the running direction of the forming die; since the screed 5 rotates with the coupling frame 3 during the adjustment of the height of the screed 5, the cross plate is not necessarily in contact with the bed holding surface, possibly a line contact, but this should not affect the screeding effect of the screed 5.

In one embodiment, both the vibration motor 4 and the second driving motor 7 are electrically connected to the controller 900. The controller 900 controls the second driving motor 7 to enable the telescopic arm structure 6 to be telescopic according to the thickness of the material layer of the composite heat-insulating wallboard, so that the height of the trowelling plate 5 is automatically adjusted, and the dimensional accuracy and the specification consistency of the composite heat-insulating wallboard are improved; aiming at gel materials with different liquidity and different viscosity, the trowelling device controls the vibration motor 4 to provide vibration with different frequencies in the trowelling process so as to obtain a good trowelling effect.

In one embodiment, the controller 900 further includes a communication interface, and the data interfaces of the vibration motor 4 and the second driving motor 7 are electrically connected to the communication interface of the controller 900 and perform data interaction with the processor. The performance index (viscosity and fluidity) of the gel material and the thickness information of the material layer can be input through the man-machine interaction interface, or a mapping table of the performance index and the vibration frequency of the gel material, a mapping table of the thickness of the material layer and the running direction, running speed and running time of the second driving motor 7 are pre-stored in the memory, the processor obtains the information input by the man-machine interaction interface or the information in the mapping table to generate control commands respectively and transmit the control commands to the driving mechanism of the vibration motor 4 or the driving mechanism of the second driving motor 7 respectively, and the vibration motor 4 is controlled to vibrate at a preset frequency or the second driving motor 7 is controlled to enable the telescopic arm structure 6 to shrink or stretch for a preset length, so that the height of the trowelling plate 5 is adjusted.

The trowelling device is directly arranged on the hopper 03 of the material distribution system, so that the material distribution operation and the trowelling operation are performed simultaneously, the structure is compact, the space is saved, and the working efficiency is improved; the height of the trowelling plate 5 is automatically adjusted by controlling the second driving motor 7 through the controller 900, so that the labor cost is saved, and the dimensional accuracy and the product consistency of the composite heat-insulating wallboard are improved; the vibration motor 4 is installed in the position that the link 3 is close to the free end to adjust the vibration frequency of vibration motor 4 according to the gel material of different viscosities through controller 900, thereby make high frequency vibration transfer to the bed of material surface, be favorable to discharging the bubble in the ground paste, eliminate the honeycomb pitted surface of bed of material, improve prefabricated wallboard's intensity, because the free end of link 3 has certain vibration redundant space, reduced the vibration influence to other rigid parts, increased life to a certain extent.

The insulation board laying device 500 includes a vertical telescopic mechanism 15, a horizontal traveling mechanism 16, and a grabbing mechanism 17, the grabbing mechanism 17 is connected to the horizontal traveling mechanism 16 through the vertical telescopic mechanism 15, and driving motors of the vertical telescopic mechanism 15 and the horizontal traveling mechanism 16 are electrically connected to the controller 900. In one embodiment, the horizontal traveling mechanism 16 is a sliding block structure sliding along a sliding rail, a driving motor for driving the sliding block to travel horizontally is electrically connected to the controller 900, and the vertical telescopic mechanism 15 is a roller-skate structure fixed on the sliding block. The grabbing mechanism 17 automatically grabs a heat insulation board 12 stacked beside, the vertical telescopic mechanism 15 and the horizontal travelling mechanism 16 are controlled by the controller 900 to move relative to the position of the wallboard forming die 200, so that the heat insulation board 12 is opposite Ji Qiangban to the bottom slurry layer 11 in the wallboard forming die 200, and the grabbing mechanism 17 is controlled to release the heat insulation board 12, so that the heat insulation board 12 is placed on the bottom slurry layer 11.

The insulation board positioning device 600 is mounted on a frame (steel structure) 07, and comprises a press roller 13 and a press roller adjusting mechanism 19 for adjusting the position of the press roller, specifically, as shown in fig. 10 and 11, the press roller adjusting mechanism 19 comprises a fixed arm 193, an adjusting telescopic mechanism 192, a third driving motor 191 and a crank arm 194, the fixed arm 193 is mounted on the frame 07, the adjusting telescopic mechanism 192 is fixedly connected to the fixed arm 193, and an output shaft of the third driving motor 191 is connected with a telescopic arm of the adjusting telescopic mechanism 192 for driving the telescopic arm of the adjusting telescopic mechanism 192 to perform telescopic motion; the crank 194 is of a bent structure, the middle of the crank 194 is connected to the fixed arm 193 through a connecting arm and is hinged to the connecting arm, one end of the crank 194 is hinged to the telescopic arm of the adjusting telescopic mechanism 192, the other end of the crank 194 is hinged to the press roller 13, and the crank 194 can rotate in a vertical plane under the action of the telescopic arm of the adjusting telescopic mechanism 192, so that the height of the press roller 13 is adjusted. The third driving motor 191 is electrically connected to the controller 900, and the controller 900 controls the pressing roller adjusting mechanism 19 to adjust the height of the pressing roller 13 until the vertical height of the thermal insulation board 12 meets the requirement, so that the pressing roller 13 is in close contact with the thermal insulation board 12 and presses the thermal insulation board 12.

The secondary discharging device 700A and the secondary trowelling device 700B are integrally provided, and since the structure and the working principle thereof are substantially the same as those of the primary discharging device 400A and the primary trowelling device 400B, the structure and the working principle of the surface layer mesh cloth paving device 800 and the bottom layer mesh cloth paving device 300 are substantially the same, and are not described herein.

Method of

The invention also provides a material distribution method, which is based on the material distribution system for the composite heat-insulation wallboard production line, so that the wallboard forming mold 200 automatically completes a plurality of material distribution procedures along the mold conveying track 100, and comprises the following steps:

Step one, the wallboard forming mold 200 is moved to a station where the bottom layer mesh cloth paving device 300 is located, and the controller 900 controls the bottom layer mesh cloth paving device 300 to lay the bottom layer mesh cloth 10 on the bottom plate of the wallboard forming mold 200;

The determining whether the wallboard forming mold 200 is operated to the station where the bottom layer mesh cloth paving device 300 is located may be performed by acquiring a position switch signal through the controller 900, that is, the wallboard forming mold 200 touches a position switch disposed on the mold conveying track 100 at the station, and the position switch transmits the generated electrical signal to the controller 900; or the machine vision signal is obtained, that is, the camera periodically shoots the image at the station and transmits the image to the controller 900, and the controller 900 analyzes whether the image is obtained and whether the wallboard forming mold 200 reaches the station; or by a position sensor signal, i.e., a sensor signal of the wallboard forming mold 200 reaching the station is acquired by a position sensor provided at the station and transmitted to the controller 900.

The technical scheme is also suitable for position identification of the following cloth process and is not repeated.

Step two, the wallboard forming die 200 is operated to a station where the first-stage blanking device 400A is located, the controller 900 controls the first-stage blanking device 400A to pour slurry made of gel materials on the bottom grid cloth 10 to form a bottom-layer slurry layer 11, and simultaneously controls the first-stage trowelling device 400B to control the bottom-layer slurry layer 11 to be at a preset thickness and trowelling while blanking;

The blanking amount of the blanking device can be automatically adjusted on line, that is, the controller 900 controls the first driving motor 019 to drive the impeller of the rotary blanking valve 01 to rotate according to preset control parameters, and meanwhile receives the weight change of the blanking device in a blanking period fed back by the load device 05, that is, the actual blanking amount in the blanking period, the controller 900 compares the obtained actual blanking amount with the theoretical blanking amount, and adjusts the rotating speed of the impeller of the rotary blanking valve 01 according to a comparison result. In the above steps, the controller 900 processes the weight data acquired by the load device 05 by using an online sliding filter, and acquires the actual blanking amount in one blanking period, where the online sliding filter is executed as follows:

step S0, determining a sampling period T2 according to the number N1 of impellers of the rotary blanking valve 01 and the effective volume VL of a material cavity; initializing two queues R1 and R2 (first-in first-out), wherein the length of the queues is N, n=int (T1/T2), and N is a natural number;

step S1, calculating the blanking amount of a complete blanking period;

The method specifically comprises the following steps: the loading device 05 collects weight data, the weight data in the queue R1 sequentially move towards the queue head, the detected weight data are put into the queue tail of the queue R1, and if the queue head data in the queue R1 are not empty, the blanking quantity delta W=R (1) -R (N) of a first complete blanking period is obtained; if the queue head data in the queue R1 is empty, repeating the step S1;

s2, eliminating abnormal values;

The method specifically comprises the following steps: sequentially moving the blanking amount in the queue R2 towards the queue head, putting the acquired blanking amount data delta W into the queue tail of the queue R2, if the queue head data in the queue R2 is not empty and N is more than 15, adopting a Laider criterion to reject abnormal values of N blanking amount data in the queue R2, and if the blanking amount data are rejected, repeating the steps S1 and S2;

if the queue head data in the queue R2 is not empty and N is less than or equal to 15, adopting a Grabbs test method to reject abnormal values of N blanking amount data in the queue R2; if the blanking amount data is removed, repeating the steps S1 and S2;

If the queue head data in the queue R2 is empty, repeating the steps S1 and S2;

step S3, obtaining the average value of the blanking amount data in the queue R2 As the actual blanking amount of the current blanking period.

The trowelling operation specifically includes:

When the wallboard forming mold 200 passes under the trowelling plate 5, the controller 900 controls the vibration motor 4 to vibrate according to a preset vibration frequency, so that the vibration is transmitted to the surface of the material layer through the trowelling plate 5; the screeding plate 5 contacts and slides against the primer slurry layer 11, thus screeding the primer slurry layer 11.

Step three, the wallboard forming mold 200 is operated to a station where the insulation board laying device 500 is located, and the controller 900 controls the insulation board laying device 500 to align and place the insulation board 12 on the underlying slurry layer 11;

Step four, the wallboard forming mold 200 is operated to a station where the insulation board positioning device 600 is located, and the controller 900 controls the press roller 13 of the insulation board positioning device 600 to a preset height and presses the insulation board 12 tightly;

Fifthly, the wallboard forming die 200 is operated to a station where the secondary blanking device 700A is located, the controller 900 controls the secondary blanking device 700A to pour slurry made of gel materials on the insulation board 12 to form a surface layer slurry layer 14, and simultaneously controls the secondary trowelling device 700B to control the surface layer slurry layer 14 to be at a preset thickness and trowelling while blanking;

The blanking process and the trowelling process of the step are basically the same as those of the step two, and are not repeated here.

Step six, the wallboard forming mold 200 is moved to a station where the surface layer mesh cloth paving device 800 is located, and the controller 900 controls the surface layer mesh cloth paving device 800 to lay the surface layer mesh cloth on the surface layer slurry layer 14.

The working procedures automatically and continuously run, so that the automatic production of the assembly line is realized, and the working efficiency and the product quality are improved.

It will be appreciated by those skilled in the art that these examples are intended to illustrate the invention and not to limit the scope of the invention, and that various equivalent variations and modifications to the invention are within the scope of the present disclosure.

Claims (2)

1. The utility model provides a cloth system for compound heat preservation wallboard production line, including mould conveying track (100) that is used for carrying wallboard forming die (200), frame (07) and arrange bottom net cloth laying device (300) at each cloth station in proper order along the direction of transportation of mould conveying track (100), one-level unloader (400A), one-level trowelling device (400B), heated board laying device (500), heated board positioner (600), second grade unloader (700A), second grade trowelling device (700B) and top layer net cloth laying device (800), wherein:

The first-stage blanking device (400A) comprises a feed bin (02), a hopper (03), a loading device (05) and a rotary blanking valve (01) which are sequentially communicated from top to bottom, wherein the loading device (05) is arranged on a frame (07), and the weights of the feed bin (02), the hopper (03), the rotary blanking valve (01) and built-in slurry are all applied to the loading end of the loading device (05);

the first-stage trowelling device (400B) and the first-stage blanking device (400A) are integrally arranged and fixed on the side wall of a hopper (03) of the first-stage blanking device (400A) so as to realize blanking and trowelling operation at the same time;

The secondary blanking device (700A) and the secondary trowelling device (700B) have the same structure and layout as the primary blanking device (400A) and the primary trowelling device (400B);

the distribution system further comprises a controller (900), and the loading device and the driving mechanism of the distribution device on each distribution station are electrically connected to the controller (900); the controller (900) comprises a processor, a storage unit and a man-machine interaction unit, wherein the storage unit and the man-machine interaction unit are electrically connected to the processor, the processor obtains preset parameters from the man-machine interaction unit, and the motor rotating speed is calculated according to the obtained preset parameters Vibration frequency of vibrator (06) and stirring speed of stirrer (04)/>, and method for producing the sameAnd theoretical blanking amount in a blanking period, wherein the preset parameters comprise performance index of gel material, material layer thickness/>Specification of forming die/>，/>For the length of the forming die,/>Is the width of the forming die, the travelling speed of the forming die/>Blanking period/>Impeller number/>, of rotary blanking valveEffective volume of the mixing cavity/>; Or by means of preset parameters stored in a memory and the operating speed/>, of the first drive motor (019)Vibration frequency of vibrator (06) and stirring speed of stirrer (04)/>, and method for producing the sameThe corresponding motor rotating speed/> is obtained by the mapping table of the (2)Vibration frequency of vibrator (06) and stirring speed of stirrer (04)/>, and method for producing the same; The load device (05) comprises a weighing sensor (051), a signal conditioning circuit (052) and a signal processing unit (053), wherein the weighing sensor (051) is positioned at the load end of the load device (05) and converts the pressure generated by the born weight into an electric signal; the signal conditioning circuit (052) comprises an amplifying and filtering circuit and is used for amplifying and filtering the electric signal output by the weighing sensor (051); the signal processing unit (053) comprises an A/D converter and a processor, the A/D converter converts an analog signal output by the signal conditioning circuit (052) into a digital signal, and the processor processes, stores and transmits the obtained digital signal to the controller (900); the weighing sensor (051) is a resistance strain type weighing sensor and comprises an elastic body, a resistance strain gauge and a detection circuit, wherein the resistance strain gauge is adhered to the elastic body, a supporting leg (031) arranged on the outer side wall of the upper end of the hopper (03) is supported on the elastic body of the weighing sensor (051), the resistance value of the resistance strain gauge is changed along with the deformation of the resistance strain gauge on the elastic body, and the detection circuit converts the resistance value change of the resistance strain gauge into a voltage signal; the rotary blanking valve (01) comprises a valve body (014) with a cavity and a mandrel (013) arranged in the cavity of the valve body (014), wherein an impeller (018) is arranged in the cavity of the valve body (014), the end part of the mandrel (013) extending out of the valve body (014) is connected with an output shaft of a first driving motor (019), the impeller (018) is provided with a plurality of plate-type blades arranged at the periphery of the mandrel (013) at intervals, flexible sealing plates (017) are fixed at the free ends of at least two blades, and the flexible sealing plates (017) are in close contact with the inner wall of the cavity of the valve body (014); a flexible sealing plate (017) is secured to the free end of each blade.

2. A method of distributing material based on the distribution system for the composite thermal insulation wallboard production line of claim 1, comprising the steps of:

step one, a wallboard forming die (200) is operated to a station where a bottom layer grid cloth paving device (300) is located, and a controller (900) controls a driving motor of the bottom layer grid cloth paving device (300) to lay a bottom layer grid cloth (10) on a bottom plate of the wallboard forming die (200);

Step two, the wallboard forming die (200) is operated to a station where a first-stage blanking device (400A) is located, a controller (900) controls a first driving motor (019) of the first-stage blanking device (400A) to pour slurry made of gel materials on a bottom layer mesh cloth (10) to form a bottom layer slurry layer (11), meanwhile, a second driving motor (7) of the first-stage leveling device (400B) is controlled to control the bottom layer slurry layer (11) to be at a preset thickness and level during blanking, the controller (900) automatically adjusts the blanking amount on line, namely, the controller (900) controls the first driving motor (019) to drive an impeller of a rotary blanking valve (01) to rotate according to preset control parameters, blanking of a blanking period is completed, meanwhile, the weight of the blanking device in the blanking period fed back by a loading device (05) is received, namely, the actual blanking amount in the blanking period is compared with the theoretical blanking amount, the obtained actual blanking amount is adjusted, and the rotating speed of the impeller of the rotary blanking valve (01) is adjusted according to a comparison result, namely, the driving speed of the first blanking valve (019 1) is adjusted; the automatic online blanking amount adjustment means that the controller (900) processes weight data acquired by the loading device (05) by adopting an online sliding filter, acquires actual blanking amount of a blanking period, and the online sliding filter comprises the following execution steps:

s0, according to the number of impellers of the rotary blanking valve (01) Effective volume of the mixing cavity/>Determining the sampling period/>, of the weight data collected by the load device; Initialize two queues/>And/>The length of the queue is a natural number N,/>；

Step S1, calculating a blanking periodIs used for discharging;

the method specifically comprises the following steps: the loading device (05) collects weight data and queues The weight data in the queue head moves sequentially, and the detected weight data is put into the queue/>Tail of queue, if queue/>The queue head data in the first complete blanking period is not empty, and the blanking quantity/>, of the first complete blanking period is obtained; If queue/>If the queue head data is empty, repeating the step S1;

s2, eliminating abnormal values;

The method specifically comprises the following steps: queues The blanking amount of the device is moved to the queue head in sequence, and the acquired blanking amount data/>Put into queue/>Tail of queue, if queue/>The queue head data in (1) is not null, and/>Then use Laider criterion for queue/>In/>Abnormal value rejection is carried out on the blanking amount data, and if blanking amount data are rejected, the steps S1 and S2 are repeated;

If a queue The queue head data in (1) is not null, and/>Queue/>, using a glabros testIn/>Abnormal value rejection is carried out on the blanking amount data; if the blanking amount data is removed, repeating the steps S1 and S2;

If a queue If the queue head data in the queue head is empty, repeating the steps S1 and S2;

Step S3, obtaining a queue Average value of the feed amount data/>As the actual blanking amount of the current blanking period;

Step three, the wallboard forming die (200) is operated to a station where the insulation board laying device (500) is located, and the controller (900) controls a driving motor of the insulation board laying device (500) to align and place the insulation board (12) on the bottom slurry layer (11);

Fourthly, the wallboard forming die (200) is operated to a station where the heat-insulating plate positioning device (600) is located, and the controller (900) controls a third driving motor (191) of the heat-insulating plate positioning device (600) to adjust the press roller (13) to a preset height and tightly press the heat-insulating plate (12);

Step five, referring to step two;

Step six refers to step three.