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CN-121973313-A - Gypsum board shaping section ground paste heap detects and adjusting device

CN121973313ACN 121973313 ACN121973313 ACN 121973313ACN-121973313-A

Abstract

The invention belongs to the technical field of gypsum board processing, and discloses a gypsum board forming section slurry pile detection and adjustment device which is provided with a forming belt, a fine wire, a thickness detection device, a visual detection device and a controller, wherein the forming belt is used for bearing and conveying gypsum slurry, the fine wire is transversely arranged above the forming belt along the direction perpendicular to the conveying direction of the gypsum slurry and is embedded into the slurry pile, the thickness detection device is arranged above the forming belt and is used for detecting the thickness of the slurry pile, the visual detection device is arranged above the forming belt and is used for detecting the upper surface area of the slurry pile, the controller is connected with the thickness detection device, the visual detection device and the forming belt, the thickness detection device and the visual detection device are used for sending a thickness value and an upper surface area value to the controller, and the controller is used for calculating the volume of the slurry pile so as to adjust the conveying speed of the forming belt.

Inventors

  • Fang Shandi
  • LIU LILONG
  • LIU SIJUN

Assignees

  • 北新建材(昆明)有限公司

Dates

Publication Date
20260505
Application Date
20260303

Claims (10)

  1. 1. A gypsum board molding section slurry pile detection and adjustment device is characterized by comprising: a forming belt (1) for carrying and transporting gypsum slurry; A thin wire (2) which is transversely arranged above the forming belt (1) along the direction perpendicular to the gypsum slurry conveying direction, the thin wire (2) is embedded into the slurry pile, and the thin wire (2) can do linear reciprocating motion along the direction parallel to the gypsum slurry conveying direction so as to spread the slurry to be uniform in thickness; The thickness detection device is arranged above the forming belt (1) and is used for detecting the thickness of the slurry pile after the slurry pile is spread to be thin and uniform; The visual detection device is arranged above the forming belt (1) and is used for detecting the upper surface area of the slurry pile after the slurry pile is spread to be thin and uniform in thickness; The controller is connected with the thickness detection device, the visual detection device and the driving device of the forming belt (1), and the thickness detection device and the visual detection device synchronously send the thickness value and the upper surface area value detected at the same detection moment to the controller; The controller calculates the volume of the slurry pile according to the received thickness value and the upper surface area value, and controls the output frequency of the driving device of the forming belt (1) according to the upper limit or the lower limit of the volume reaching a volume threshold value so as to adjust the conveying speed of the forming belt (1) to enable the volume to be stabilized in the volume threshold value.
  2. 2. A gypsum board forming section slurry pile detection and adjustment device according to claim 1, characterized in that the string (2) is in a state of tension during the reciprocating linear movement.
  3. 3. The gypsum board forming section slurry pile detection and adjustment device according to claim 1, wherein the thickness detection device comprises a laser ranging sensing element (3), the laser ranging sensing element (3) is arranged right above the slurry pile, and the laser ranging sensing element (3) is used for detecting a vertical distance between the upper surface of the slurry pile and the laser ranging sensing element (3) and forming a first vertical distance; the laser ranging sensor element (3) is located at a vertical distance from the upper surface of the forming belt (1) and forms a second vertical distance.
  4. 4. A gypsum board forming section slurry pile detection and adjustment device according to claim 3, characterized in that the laser ranging sensor element (3) is connected to the controller; The laser ranging sensing element (3) sends the detected first vertical distance to the controller, and the controller obtains the thickness value of the slurry pile by calculating the difference between the first vertical distance and the second vertical distance.
  5. 5. A gypsum board forming section slurry pile detection and adjustment device according to claim 1, characterized in that the visual detection device comprises a visual detector (4), the visual detector (4) being connected to the controller.
  6. 6. The apparatus for detecting and adjusting a slurry pile in a gypsum board forming section according to claim 1, further comprising a linear reciprocating driving means; The two sides of the forming belt (1) are respectively provided with a linear reciprocating driving device, and the two linear reciprocating driving devices are respectively connected with two ends of the thin wire (2) and used for synchronously driving the thin wire (2) to do linear reciprocating motion along a direction parallel to the gypsum slurry conveying direction.
  7. 7. The gypsum board forming section slurry pile detection and adjustment device according to claim 6, characterized in that the linear reciprocating driving device comprises a driving cylinder (5) and a moving rod (7) connected with the driving end of the driving cylinder (5); the driving cylinder (5) is horizontally arranged; The end part of the moving rod (7) far away from the driving cylinder (5) is provided with a wire tying rod (8), and the end part of the thin wire (2) is tied on the wire tying rod (8).
  8. 8. The gypsum board forming section slurry pile detection and adjustment device according to claim 7, wherein the driving cylinder (5) is connected with the controller, and the controller controls the stroke of the driving cylinder (5) in a linear reciprocating motion.
  9. 9. The gypsum board forming section slurry pile detection and adjustment device according to claim 8, characterized in that a portal bracket (6) is arranged on two sides of the forming belt (1), and two driving cylinders (5) are respectively arranged on the same side surface on two sides of the portal bracket (6) through bolts.
  10. 10. The gypsum board forming section slurry pile detection and adjustment device according to claim 9, characterized in that a front extension bracket (9) is installed on the top of the portal bracket (6) towards the same side of the driving cylinder (5), and the thickness detection device and the visual detection device are installed at the bottom of the front extension bracket (9) in sequence.

Description

Gypsum board shaping section ground paste heap detects and adjusting device Technical Field The invention relates to the technical field of gypsum board processing, in particular to a gypsum board molding section slurry pile detection and adjustment device. Background In the course of working of gypsum board, on the lower face guard paper on the shaping belt was poured into a definite time to the gypsum ground paste, along with the transport of lower face guard paper to the shaping extrusion plate between extrusion, partial ground paste can form and pile up at shaping extrusion plate upstream end, and the fashioned quality of gypsum board is decided in the area of pile up of ground paste, and the area is too big or too little in ground paste pile up, easily leads to the problem of material shortage or weeping. At present, the material shortage or material leakage is generally judged by visually detecting the surface area of the slurry pile, a threshold value is set in combination, when the detected surface area is larger than the threshold value, the material leakage is judged to be about to occur, when the detected surface area is smaller than the threshold value, the material shortage is judged to be about to occur, and the system correspondingly adjusts the operation parameters of related equipment according to the detection result. However, the surface area of the slurry pile is also related to the fluidity, the larger the fluidity is, the larger the spreading area is, the actual material quantity cannot be truly reflected by the simple detection surface area, meanwhile, the slurry pile has the phenomenon of uneven thickness, the judgment error based on the surface area is larger, and more accurate regulation and control are difficult to realize. Disclosure of Invention Therefore, the invention provides a gypsum board molding section slurry pile detection and adjustment device, which solves the technical problems that the actual material quantity cannot be truly reflected by simply detecting the surface area in the prior art, the slurry pile has uneven thickness, and the judgment error based on the surface area is larger. In order to solve the technical problems, the invention specifically provides the following technical scheme: a gypsum board molding section slurry pile detection and adjustment device is provided with: A forming belt for carrying and transporting gypsum slurry; A thin wire which is transversely arranged above the forming belt along the direction perpendicular to the gypsum slurry conveying direction and is embedded into the slurry pile, and the thin wire can do linear reciprocating motion along the direction parallel to the gypsum slurry conveying direction so as to spread the slurry to be uniform in thickness; The thickness detection device is arranged above the forming belt and is used for detecting the thickness of the slurry pile after the slurry pile is spread to be thin and uniform; the visual detection device is arranged above the forming belt and is used for detecting the upper surface area of the slurry pile after the slurry pile is spread to be even in thickness; The controller is connected with the thickness detection device, the visual detection device and the driving device of the forming belt, and the thickness detection device and the visual detection device synchronously send the thickness value and the upper surface area value detected at the same detection moment to the controller; The controller calculates the volume of the slurry pile according to the received thickness value and the upper surface area value, and controls the output frequency of the driving device of the forming belt according to the upper limit or the lower limit of the volume reaching a volume threshold value so as to adjust the conveying speed of the forming belt, so that the volume is stabilized in the volume threshold value. Further, the thin wire is in a tight state in the process of reciprocating rectilinear motion. Further, the thickness detection device comprises a laser ranging sensing element, wherein the laser ranging sensing element is arranged right above the slurry pile, and is used for detecting the vertical distance from the upper surface of the slurry pile to the laser ranging sensing element and forming a first vertical distance; the laser ranging sensor element is spaced a vertical distance from the upper surface of the forming belt and forms a second vertical distance. Further, the laser ranging sensing element is connected with the controller; the laser ranging sensing element sends the detected first vertical distance to the controller, and the controller obtains the thickness value of the slurry pile by calculating the difference between the first vertical distance and the second vertical distance. Further, the visual detection device comprises a visual detector, and the visual detector is connected with the controller. Further, the device also comprises a linear reciprocati