CN115256668A - Ultra-long board detection system for cutting off gypsum boards and automatic waste discharge method - Google Patents
Ultra-long board detection system for cutting off gypsum boards and automatic waste discharge method Download PDFInfo
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- CN115256668A CN115256668A CN202210985059.5A CN202210985059A CN115256668A CN 115256668 A CN115256668 A CN 115256668A CN 202210985059 A CN202210985059 A CN 202210985059A CN 115256668 A CN115256668 A CN 115256668A
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
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Abstract
The invention discloses a super-long board detection system for cutting off gypsum boards and an automatic waste discharge method, wherein gypsum boards meeting the cutting times are grouped and accelerated to be transmitted to form a primary gypsum board group; determining the number of plates contained in the grouped and separated primary gypsum plate groups at the detection point by utilizing the transmission time of the grouped and separated primary gypsum plate groups, and marking the super-long plates: secondarily separating the primarily separated ultra-long board to divide the primary gypsum board into a single-board gypsum board group and an uncut gypsum board group; determining the number of plates contained in the uncut gypsum plate group in secondary batch by using the transmission time of the single gypsum plate group and the uncut gypsum plate group at the detection point; determining the length of the plate of the uncut gypsum plate group by combining the plate transmission time and the transmission speed, and controlling the waste discharge time; discharging the uncut gypsum plate groups according to the waste discharge time, and conveying a single gypsum plate group towards the dryer normally; the invention reduces the waste discharge amount and lowers the cost of the waste plate for reproduction.
Description
Technical Field
The invention relates to the technical field of gypsum board production lines, in particular to a super-long board detection system for cutting off gypsum boards and an automatic waste discharge method.
Background
In the production process of the gypsum board, the calcined gypsum and water enter a mixer to be fully stirred and then are made into pulp, the pulp is flatly laid on the surface protective paper and is continuously formed by extrusion, the formed pulp is hardened after hydration and then can be cut off, but due to the difference of calcined clinker quality, the hydration time of the pulp can be different, the board hydration is insufficient, the hardness of the board is soft, and the cutter cuts the gypsum board continuously.
The cutting system of the current production line is divided into 2 cut gypsum boards as a group, when a cutter falls twice, a group of accelerated conveying is formed by the 2 cut gypsum boards by using a variable speed conveying roller way, a distinguishing gap is formed between the accelerated conveying and the subsequent gypsum board group, but if the phenomenon of continuous cutting occurs, 1 gypsum board group is formed when the boards are not normally taken out, or at least 3 gypsum board groups are formed, the acceleration time of 1 gypsum board group is reduced, and at least 3 uncut gypsum boards are combined together to form a super-long board.
In most of the conventional gypsum board cutting and detecting systems, the length of the gypsum board group is detected, and when the length of the gypsum board group is 3 or more than 3 (i.e., an ultra-long board), the gypsum board group is considered to be not cut and is directly discarded, but according to the above, since the acceleration operation of the variable speed conveying roller table is set according to the cutting cycle of the cutter, even if a single cut gypsum board exists in the gypsum board group (i.e., the ultra-long board) having the length of 3 or more than 3, the single gypsum board and the uncut gypsum board form a single gypsum board group, and the direct discarding may increase the amount of discarding, thereby increasing the production cost.
Disclosure of Invention
The invention aims to provide a super-long board detection system for cutting off a gypsum board and an automatic waste discharge method, and aims to solve the technical problems in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an ultra-long board detection system for gypsum board cut-off, comprising:
the first board passing time detection assembly is arranged at the downstream of the gypsum board cutter and is used for detecting the transmission time of each group of gypsum boards which are cut off and separated by the cutter;
the secondary separation section is arranged at the downstream of the first board passing time detection assembly and is used for carrying out secondary separation on the cut gypsum boards in each group of gypsum boards and splitting a group of ultra-long boards into a plurality of gypsum board groups;
the second board passing time detection assembly is arranged at the downstream of the secondary separation section and used for detecting the transmission time of each group of gypsum boards after secondary separation;
the plate total length detection assembly is arranged at the downstream of the second plate passing time detection assembly and is used for detecting the total length of each group of gypsum boards;
the control system is connected with the first board passing time detection assembly, the total plate length detection assembly and the second board passing time detection assembly, and preliminarily judges the number of the plates of each group of gypsum boards after one-time separation according to the output result of the first board passing time detection assembly;
the control system finally judges the number of the boards of each group of gypsum boards after secondary separation according to the output result of the second board passing time detection assembly, and marks the uncut gypsum board groups with the number of the boards not equal to one according to the output result of the second board passing time detection assembly;
and the control system carries out waste discharge treatment according to the total length of the uncut gypsum board group detected by the board total length detection assembly.
As a preferred scheme of the invention, a primary separation working section is arranged at the downstream of a gypsum board cutter, and comprises a first transmission roller way arranged below the gypsum board cutter and variable speed separation roller ways distributed in a cross manner with the transmission roller ways, wherein a regulation and control component of the gypsum board cutter is connected with the input end of a control system, and the variable speed separation roller ways are connected with the output end of the control system;
the control system regulates and controls the variable speed separation roller way to work according to the cutting times of the gypsum board cutters, so that a transmission gap is formed between every two adjacent gypsum board groups.
As a preferred scheme of the invention, the number of the boards contained in the standard gypsum board group is determined by the cutting times of the gypsum board cutters, and when the cutting times of the gypsum board cutters are smaller than a set value, the control system regulates and controls the transmission speed of the variable speed separation roller way to be the same as the transmission speed of the first transmission roller way;
when the cutting times of the gypsum board cutter are equal to a set value, the control system regulates and controls the transmission speed of the variable speed separation roller way to be larger than that of the first transmission roller way, so that a gap is formed between one gypsum board group and the next gypsum board group.
As a preferable scheme of the present invention, the first board passing time detection assembly includes a plurality of photoelectric sensors arranged in parallel above a stable transmission roller way, the stable transmission roller way is located at the downstream of the variable speed separation roller way, and the control system determines, according to a change of an output signal of the photoelectric sensor, a relationship between transmission time T1 of a gypsum board group detected by the photoelectric sensor and transmission time ta of the standard gypsum board group, so as to preliminarily determine the number of boards of each group of gypsum boards after one separation;
when the transmission time T1 is longer than the transmission time ta of the standard gypsum board group, the number of the boards of the gypsum board group is larger than the standard limit;
when the transmission time T1 is less than the transmission time ta of the standard gypsum board group, the number of the boards of the gypsum board group is less than the standard limit.
In a preferred embodiment of the present invention, the secondary separation section separates the uncut gypsum board group into sheets so that a gap is formed between the completely cut gypsum boards, and the gypsum board group treated in the secondary separation section is separated into a single gypsum board group and an uncut gypsum board group.
As a preferable scheme of the present invention, the second board passing time detection assembly includes a plurality of photoelectric sensors arranged above a stable conveying roller way in parallel, the stable conveying roller way is located at the downstream of the secondary separation section, the control system determines, according to a change of an output signal of the photoelectric sensors, a relationship between the conveying time T2 of the gypsum board group detected by the photoelectric sensors and the conveying time tb of the single gypsum board group, and finally determines the number of boards of each group of gypsum boards after secondary separation;
when the transmission time T2 is longer than the transmission time tb of a single gypsum board group, the number of the boards of the gypsum board group is larger than 1;
when the transport time T2 equals the transport time tb for a single gypsum board set, the number of boards of the gypsum board set equals 1.
As a preferable scheme of the invention, the gypsum board group with the transmission time T2 longer than the transmission time tb of a single gypsum board group is an uncut gypsum board group and is subjected to waste discharge treatment before entering the dryer;
the gypsum board group with the transmission time T2 equal to the transmission time tb of the single gypsum board group is a single gypsum board group and can enter the dryer for normal drying operation.
As a preferable aspect of the present invention, the total plate length detection assembly is disposed on a stable conveying roller table downstream of the second plate passing time detection assembly, the control system determines a time node at which the photoelectric sensor detects the gypsum plate group according to a change in a photoelectric sensor signal of the total plate length detection assembly, and calculates the number of plates included in the uncut gypsum plate group by using a time difference formed by the time node and a conveying speed.
As a preferable scheme of the invention, the control system carries out waste discharge treatment on the uncut gypsum board group, and the specific waste discharge mode is as follows: and arranging a steering transmission roller way at the tail end of the stable transmission roller way, wherein the head end of the steering transmission roller way and the tail end of the stable transmission roller way are distributed in a crossed manner, the uncut gypsum plate group is discharged along the stable transmission roller way, and the single-plate gypsum plate group is lifted by the steering transmission roller way and is transmitted towards the dryer.
In order to solve the technical problems, the invention further provides the following technical scheme: an automatic waste discharge method of a gypsum board cut-off overlong board detection system comprises the following steps:
first grouping separation: the gypsum boards meeting the cutting times are grouped and accelerated to be transmitted, and are separated from the gypsum boards which are not cut to form a primary gypsum board group;
detecting the number of the gypsum board group plates for the first time: determining the number of plates contained in the grouped and separated primary gypsum plate groups at the detection point by utilizing the transmission time of the grouped and separated primary gypsum plate groups, and marking the super-long plates:
and (3) secondary separation: secondarily separating the primarily separated ultra-long board to divide the primary gypsum board into a single-board gypsum board group and an uncut gypsum board group;
and (3) secondary detection of the number of the gypsum board group plates: determining the number of plates contained in the uncut gypsum plate group in secondary batch by using the transmission time of the single-plate gypsum plate group and the uncut gypsum plate group at the detection point;
measuring the total length of the plate: determining the length of the plate of the uncut gypsum plate group by combining the plate transmission time and the transmission speed, and controlling the waste discharge time;
waste discharge treatment: and discharging the uncut gypsum plate groups according to the discharge time, and conveying the single gypsum plate groups towards the dryer normally.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the variable-speed conveying roller table to divide the cut gypsum boards into 2 normally cut board groups and 1 abnormally cut board group, 3 board group and 5 board group … …, in order to avoid reducing the waste discharge amount of … … in the abnormally cut, 3 board group and 5 board group, a single gypsum board in the uncut gypsum boards (ultra-long boards) is identified through secondary separation of the abnormally cut ultra-long boards, and the single gypsum board is continuously conveyed to the dryer, thereby reducing the waste discharge amount and reducing the cost of waste board re-production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a working schematic diagram of an ultra-long board detection system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
As shown in fig. 1, the present invention provides a very long board inspection system for gypsum board cutting, which is characterized in that the hydration time of slurry varies due to the difference in the quality of calcined clinker, so that the gypsum board is soft in some positions and cannot be cut normally.
In the existing gypsum board cutting section, two gypsum boards are mostly used as a group, namely, a gypsum board cutter works twice every time, a variable speed transmission roller table at the downstream of the gypsum board cutter is utilized to drive 2 cut gypsum boards to accelerate at a constant speed, so that a group distinguishing gap is formed between the gypsum board group and the rest gypsum board groups, and the phenomenon that 1 gypsum board group is formed or at least 3 gypsum boards (namely 3, 5 and 7 ellipses) are formed under the condition that the boards are abnormally discharged due to the fact that the uncut gypsum boards cannot move in an accelerating manner is caused.
However, there may also be a single individual fully cut gypsum board in a group of gypsum boards formed of at least 3 blocks (i.e. 3, 5, 7 ellipses), and the purpose of this embodiment is to identify the individual gypsum boards in the uncut gypsum boards and to transfer them on to the dryer, thereby reducing waste and production costs.
The overlong plate detection system of the embodiment specifically includes: the device comprises a primary separation section, a first plate passing time detection assembly, a secondary separation section, a second plate passing time detection assembly, a plate total length detection assembly and a control system.
The control system is connected with the first board passing time detection assembly, the board total length detection assembly and the second board passing time detection assembly, and the control system preliminarily judges the number of the boards of each group of gypsum boards after one-time separation according to the output result of the first board passing time detection assembly.
And finally judging the number of the plates of each group of gypsum boards subjected to secondary separation by the control system according to the output result of the second plate passing time detection assembly, and marking the uncut gypsum board groups with the number of the plates not equal to one by the control system according to the output result of the second plate passing time detection assembly.
And the control system carries out waste discharge treatment according to the total length of the uncut gypsum board group detected by the board total length detection assembly.
The downstream of the gypsum board cutter is provided with a primary separation working section, the primary separation working section comprises a first conveying roller way arranged below the gypsum board cutter and a variable speed separation roller way which is distributed in a cross mode with the conveying roller way, the regulation and control assembly of the gypsum board cutter is connected with the input end of the control system, and the variable speed separation roller way is connected with the output end of the control system.
The control system regulates and controls the variable speed separation roller way to work according to the cutting times of the gypsum board cutters, so that a transmission gap is formed between every two adjacent gypsum board groups.
The number of the boards contained in the standard gypsum board group is determined by the cutting times of the gypsum board cutters, and when the cutting times of the gypsum board cutters are smaller than a set value, the transmission speed of the variable speed separation roller way is regulated and controlled by the control system to be the same as that of the first transmission roller way.
When the cutting times of the gypsum board cutter are equal to a set value, the control system regulates and controls the transmission speed of the variable speed separation roller way to be larger than that of the first transmission roller way, so that a gap is formed between one gypsum board group and the next gypsum board group.
The first board passing time detection assembly is arranged at the downstream of the gypsum board cutter, is positioned on the uniform-speed conveying roller way and is used for detecting the conveying time of each group of gypsum boards which are cut off and separated by the cutter.
Specifically, the first board passing time detection assembly comprises a plurality of photoelectric sensors which are arranged above a stable transmission roller way and distributed in parallel, the stable transmission roller way is positioned at the downstream of a variable speed separation roller way, and the control system judges the relationship between the transmission time T1 of a gypsum board group detected by the photoelectric sensors and the transmission time ta of a standard gypsum board group according to the output signal change of the photoelectric sensors so as to preliminarily judge the number of boards of each gypsum board group after primary separation.
When the transmission time T1 is longer than the transmission time ta of a standard gypsum plate group (2 plate groups), the number of the plates of the gypsum plate group is larger than the standard limit, and the gypsum plate group is a super-long plate.
When the transmission time T1 is less than the transmission time ta of the standard gypsum board group (2 board groups), the number of the boards of the gypsum board group is less than the standard limit, and the gypsum board group is a single gypsum board group.
The number of the plates of the gypsum board group after cutting and one-time separation by the cutter is divided into: 2 plate groups (normally cut), 1 plate group, 3 plate groups and 5 plate groups (not normally cut and adhesion exists) … …, while the secondary separation section does not need to carry out secondary splitting operation on the normally cut 2 plate groups and the abnormally cut 1 plate group and directly and normally transfers the normally cut 2 plate groups and the abnormally cut 1 plate group to a dryer.
And 3 board groups, 5 board groups and 7 board groups … …, wherein independent and completely cut single gypsum boards may exist in the interior of the 3 board groups, for example, if the cutting knife does not cut the gypsum boards due to insufficient hydration in the second knife, and the third knife and the fourth knife cut the gypsum boards normally, so that the third board of the 3 board groups is an independent and completely cut single gypsum board, at this time, a secondary separation working section is needed to separate the single gypsum board and normally convey the single gypsum board to a dryer, and the other two adhered gypsum boards are subjected to waste discharge treatment, so that the normal gypsum boards can be separated, the waste discharge amount is reduced, the waste is reduced, and the cost of re-production is reduced.
The secondary separation section is arranged at the downstream of the first board passing time detection assembly and is used for secondarily separating the cut gypsum boards in each group of gypsum boards and splitting a group of ultra-long boards into a plurality of gypsum board groups, wherein the secondarily separated gypsum board groups comprise 1 board group, 2 board groups, 3 board groups and the like
And the secondary separation working section is used for separating the boards of the uncut gypsum board group so as to generate a gap between two completely cut gypsum boards, and the gypsum board group treated by the secondary separation working section is split into a single gypsum board group and an uncut gypsum board group.
The secondary separation section is mainly used for separating a single gypsum board in the ultra-long board, and for the 2 board groups (normal cut) and the 1 board groups detected by the first board passing time detection assembly, the middle of the 2 board groups is in a complete cut state, the 2 board groups do not need to be subjected to secondary separation treatment, and can be directly transmitted to a dryer for drying treatment.
The second board passing time detection assembly is arranged at the downstream of the secondary separation section, is also arranged on a constant-speed stable transmission roller way and is used for detecting the transmission time of each group of gypsum boards after secondary separation.
The second board passing time detection assembly comprises a plurality of photoelectric sensors which are arranged above a stable transmission roller way and distributed in parallel, the stable transmission roller way is positioned at the downstream of the secondary separation section, and the control system judges the relationship between the transmission time T2 of the gypsum board set detected by the photoelectric sensors and the transmission time tb of a single gypsum board set according to the output signal change of the photoelectric sensors, and finally judges the number of boards of each gypsum board set subjected to secondary separation.
When the conveying time T2 is longer than the conveying time tb of a single gypsum board set, the number of the boards of the gypsum board set is larger than 1, the gypsum board set with the conveying time T2 longer than the conveying time tb of the single gypsum board set is an uncut gypsum board set, and waste discharge treatment is carried out before the cut gypsum board set enters the dryer.
When the conveying time T2 is equal to the conveying time tb of a single gypsum board group, the number of the boards of the gypsum board group is equal to 1, and the gypsum board group with the conveying time T2 equal to the conveying time tb of the single gypsum board group is a single gypsum board group and can enter a dryer for normal drying operation.
The second plate passing time detection assembly mainly has the function of distinguishing the uncut gypsum plate groups (the number of plates is more than 1) from the single gypsum plate groups by measuring the transportation time of the separated plates, but for specific waste discharge treatment, the total length of the uncut gypsum plate groups needs to be determined, and the transportation time of a stable conveying roller table at the downstream of a secondary separation section is controlled so as to carry out waste discharge treatment.
Therefore, the plate total length detection assembly is arranged at the downstream of the second plate passing time detection assembly and is used for detecting the total length of each group of gypsum boards.
The plate total length detection assembly is arranged on a stable conveying roller way at the downstream of the second plate passing time detection assembly, the control system judges a time node when the photoelectric sensor detects the gypsum plate group according to the signal change of the photoelectric sensor of the plate total length detection assembly, and the plate total length of the uncut gypsum plate group is calculated by using the time difference formed by the time node and the conveying speed.
The control system carries out waste discharge treatment on the uncut gypsum board group, and the specific waste discharge mode is as follows: the tail end of the stable transmission roller way is provided with a steering transmission roller way, the head end of the steering transmission roller way and the tail end of the stable transmission roller way are distributed in a crossed mode, the uncut gypsum board set is discarded along the stable transmission roller way, the specific discarding operation time is related to the length of the uncut gypsum board, and the single-board gypsum board set is lifted by the steering transmission roller way and is transmitted towards the direction of the dryer.
In order to further explain the waste discharge mode of the ultra-long board detection system for cutting off the gypsum board, the embodiment also provides an automatic waste discharge method of the ultra-long board detection system, which comprises the following steps:
first grouping separation: the gypsum boards meeting the cutting times are grouped and accelerated to be transmitted, and are separated from the gypsum boards which are not cut to form a primary gypsum board group;
detecting the number of the gypsum plate group plates for the first time: determining the number of the plates contained in the grouped and separated primary gypsum plate groups at the detection point by utilizing the transmission time of the grouped and separated primary gypsum plate groups, and marking the super-long plates:
and (3) secondary separation: secondarily separating the primarily separated overlong board to divide the primary gypsum board into a single-board gypsum board group and an uncut gypsum board group;
and (3) secondary detection of the number of the gypsum board group plates: determining the number of plates contained in the uncut gypsum plate group in secondary batch by using the transmission time of the single-plate gypsum plate group and the uncut gypsum plate group at the detection point;
measuring the total length of the plate: determining the length of the plate of the uncut gypsum plate group by combining the plate transmission time and the transmission speed, and controlling the waste discharge time;
waste discharge treatment: and discharging the uncut gypsum plate groups according to the waste discharge time, and conveying the single gypsum plate groups towards the dryer normally.
In summary, in the present embodiment, the cut gypsum boards are divided into 2 normally cut gypsum boards and 1 abnormally cut gypsum board, 3 gypsum boards, and 5 gypsum boards … … by the variable speed conveying roller table, and in order to avoid reducing the waste discharge amount to the abnormally cut 3 gypsum boards and 5 gypsum boards … …, the single gypsum board in the uncut gypsum boards (ultra-long gypsum boards) is identified by performing secondary separation on the abnormally cut ultra-long gypsum boards, and the single gypsum board is continuously conveyed to the dryer, thereby reducing the waste discharge amount and reducing the cost for recycling the waste boards.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. An overlength board detecting system for gypsum board cuts off characterized by comprising:
the first board passing time detection assembly is arranged at the downstream of the gypsum board cutter and is used for detecting the transmission time of each group of gypsum boards which are cut off and separated by the cutter;
the secondary separation section is arranged at the downstream of the first board passing time detection assembly and is used for carrying out secondary separation on the cut gypsum boards in each group of gypsum boards and splitting a group of ultra-long boards into a plurality of gypsum board groups;
the second board passing time detection assembly is arranged at the downstream of the secondary separation section and used for detecting the transmission time of each group of gypsum boards after secondary separation;
the plate total length detection assembly is arranged at the downstream of the second plate passing time detection assembly and is used for detecting the total length of each group of gypsum boards;
the control system is connected with the first board passing time detection assembly, the total plate length detection assembly and the second board passing time detection assembly, and preliminarily judges the number of the plates of each group of gypsum boards after one-time separation according to the output result of the first board passing time detection assembly;
the control system finally judges the number of the boards of each group of gypsum boards after secondary separation according to the output result of the second board passing time detection assembly, and marks the uncut gypsum board groups with the number of the boards not equal to one according to the output result of the second board passing time detection assembly;
and the control system carries out waste discharge treatment according to the total length of the uncut gypsum board group detected by the board total length detection assembly.
2. A very long board detection system for gypsum board cutting according to claim 1,
a primary separation working section is arranged at the downstream of the gypsum board cutter, and comprises a first transmission roller way arranged below the gypsum board cutter and a variable speed separation roller way distributed in a cross way with the transmission roller way, wherein a regulation and control component of the gypsum board cutter is connected with the input end of the control system, and the variable speed separation roller way is connected with the output end of the control system;
the control system regulates and controls the variable speed separation roller way to work according to the cutting times of the gypsum board cutters, so that a transmission gap is formed between every two adjacent gypsum board groups.
3. A very long board detection system for gypsum board cutting according to claim 2,
the number of the boards contained in the standard gypsum board group is determined by the cutting times of the gypsum board cutters, and when the cutting times of the gypsum board cutters are smaller than a set value, the control system regulates and controls the transmission speed of the variable speed separation roller way to be the same as the transmission speed of the first transmission roller way;
when the cutting times of the gypsum board cutter are equal to a set value, the control system regulates and controls the transmission speed of the variable speed separation roller way to be larger than that of the first transmission roller way, so that a gap is formed between one gypsum board group and the next gypsum board group.
4. A very long board detection system for gypsum board cutting according to claim 2,
the first board passing time detection assembly comprises a plurality of photoelectric sensors which are arranged above a stable transmission roller way and distributed in parallel, the stable transmission roller way is positioned at the downstream of the variable speed separation roller way, and the control system judges the relation between the transmission time T1 of a gypsum board group detected by the photoelectric sensors and the transmission time ta of a standard gypsum board group according to the output signal change of the photoelectric sensors so as to preliminarily judge the number of boards of each group of gypsum boards after one-time separation;
when the transmission time T1 is longer than the transmission time ta of the standard gypsum board group, the number of the boards of the gypsum board group is larger than the standard limit;
when the transmission time T1 is less than the transmission time ta of the standard gypsum board group, the number of the boards of the gypsum board group is less than the standard limit.
5. A very long board detection system for gypsum board cutting according to claim 1,
and the secondary separation section is used for separating the boards of the uncut gypsum board group so as to generate a gap between two completely cut gypsum boards, and the gypsum board group treated by the secondary separation section is divided into a single gypsum board group and an uncut gypsum board group.
6. A very long board detection system for gypsum board cutting according to claim 5,
the second board passing time detection assembly comprises a plurality of photoelectric sensors which are arranged above a stable transmission roller way in parallel, the stable transmission roller way is positioned at the downstream of the secondary separation section, the control system judges the relationship between the transmission time T2 of a gypsum board group detected by the photoelectric sensors and the transmission time tb of a single gypsum board group according to the output signal change of the photoelectric sensors, and finally judges the number of boards of each gypsum board group after secondary separation;
when the transmission time T2 is longer than the transmission time tb of a single gypsum board group, the number of the boards of the gypsum board group is larger than 1;
when the transport time T2 is equal to the transport time tb of a single gypsum board set, the number of boards of the gypsum board set is equal to 1.
7. A very long board detection system for gypsum board cutting according to claim 6,
the gypsum board group with the transmission time T2 being longer than the transmission time tb of a single gypsum board group is an uncut gypsum board group and is subjected to waste discharge treatment before entering a dryer;
the gypsum board group with the transmission time T2 equal to the transmission time tb of the single gypsum board group is a single gypsum board group and can enter the dryer to carry out normal drying operation.
8. A very long board detection system for gypsum board cutting according to claim 5,
the total plate length detection assembly is arranged on a stable conveying roller way at the downstream of the second plate passing time detection assembly, the control system judges the time node of the gypsum plate group detected by the photoelectric sensor according to the signal change of the photoelectric sensor of the total plate length detection assembly, and the number of plates contained in the uncut gypsum plate group is calculated by using the time difference formed by the time node and the conveying speed.
9. A very long board detection system for gypsum board cutting according to claim 5,
the control system carries out waste discharge treatment on the uncut gypsum board group, and the specific waste discharge mode is as follows: and arranging a steering transmission roller way at the tail end of the stable transmission roller way, wherein the head end of the steering transmission roller way and the tail end of the stable transmission roller way are distributed in a crossed manner, the uncut gypsum plate group is discharged along the stable transmission roller way, and the single-plate gypsum plate group is lifted by the steering transmission roller way and is transmitted towards the dryer.
10. An automatic waste discharge method of a gypsum board cut-off overlong board detection system based on any one of claims 1 to 9, comprising the steps of:
first grouping separation: the gypsum boards meeting the cutting times are grouped and accelerated to be transmitted, and are separated from the gypsum boards which are not cut to form a primary gypsum board group;
detecting the number of the gypsum board group plates for the first time: determining the number of plates contained in the grouped and separated primary gypsum plate groups at the detection point by utilizing the transmission time of the grouped and separated primary gypsum plate groups, and marking the super-long plates:
and (3) secondary separation: secondarily separating the primarily separated ultra-long board to divide the primary gypsum board into a single-board gypsum board group and an uncut gypsum board group;
and (3) secondarily detecting the number of the gypsum board group plates: determining the number of plates contained in the uncut gypsum plate group in secondary batch by using the transmission time of the single-plate gypsum plate group and the uncut gypsum plate group at the detection point;
measuring the total length of the plate: determining the length of the plate of the uncut gypsum plate group by combining the plate transmission time and the transmission speed, and controlling the waste discharge time;
waste discharge treatment: and discharging the uncut gypsum plate groups according to the discharge time, and conveying the single gypsum plate groups towards the dryer normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210985059.5A CN115256668A (en) | 2022-08-17 | 2022-08-17 | Ultra-long board detection system for cutting off gypsum boards and automatic waste discharge method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210985059.5A CN115256668A (en) | 2022-08-17 | 2022-08-17 | Ultra-long board detection system for cutting off gypsum boards and automatic waste discharge method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115256668A true CN115256668A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210985059.5A Pending CN115256668A (en) | 2022-08-17 | 2022-08-17 | Ultra-long board detection system for cutting off gypsum boards and automatic waste discharge method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115256668A (en) |
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2022
- 2022-08-17 CN CN202210985059.5A patent/CN115256668A/en active Pending
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