CN-121973329-A - High-precision extrusion mechanism for wet gypsum board

Abstract

The invention discloses a high-precision extrusion mechanism of a wet gypsum board, which comprises a sliding table, a positioning board, a regulating board and an extrusion board, wherein the positioning board, the regulating board and the extrusion board are horizontally arranged and sequentially connected from top to bottom, the positioning board is vertically suspended above a forming board through the sliding table, the regulating board is suspended below the positioning board through a plurality of lifting devices, the lifting devices are in threaded connection with the positioning board so as to enable the lifting devices to vertically lift, the top wall of the extrusion board is adhered with the bottom wall of the regulating board, and a plurality of pressure sensors are arranged between the extrusion board and the regulating board. The operator can adjust the squeeze plate to a degree that any part is parallel to the forming plate and the distance between the squeeze plate and the forming plate is equal, so that the stability of the thickness of the gypsum board is improved, and the operator can reduce the height of the positioning plate to enable the forming plate to be in contact with the squeeze plate, and adjust the height of each lifting appliance to enable the readings of each pressure sensor to be approximately equal.

Inventors

• LI SHAOKE
• Wen Ziteng
• YIN SONGTAO

Assignees

• 北新建材(天津)有限公司

Dates

Publication Date

20260505

Application Date

20260324

Claims (10)

1. 1. A high-precision extrusion mechanism for wet gypsum boards is characterized in that, Comprises a sliding table (2), a positioning plate (3), a regulating plate (5) and an extruding plate (6); The positioning plate (3), the adjusting plate (5) and the extruding plate (6) are horizontally arranged and are sequentially connected from top to bottom; The positioning plate (3) is vertically suspended above the forming plate (1) in a lifting manner through the sliding table (2); The adjusting plate (5) is suspended below the positioning plate (3) through a plurality of lifting devices (4), the lifting devices (4) follow the regular distribution of rectangular arrays on the adjusting plate (5), and the lifting devices (4) are in threaded connection with the positioning plate (3) so that the lifting devices (4) can vertically lift; the top wall of the extrusion plate (6) is adhered to the bottom wall of the adjusting plate (5), a plurality of pressure sensors (61) are arranged between the extrusion plate (6) and the adjusting plate (5), and the pressure sensors (61) follow the regular distribution of a rectangular array on the adjusting plate (5).
2. 2. A high precision extrusion apparatus for wet plasterboards as claimed in claim 1, wherein, The top fixedly connected with reinforcing plate (31) of locating plate (3), reinforcing plate (31) vertical setting and connect the position that central line in the horizontal direction of locating plate (3) is located, locating plate (3) with be connected with a plurality of stiffening ribs (32) between reinforcing plate (31), stiffening rib (32) perpendicular to locating plate (3) with reinforcing plate (31).
3. 3. A high precision extrusion apparatus for wet plasterboards as claimed in claim 1, wherein, The positioning plate (3) and the adjusting plate (5) are both made of metal materials, the extruding plate (6) is made of metal materials or glass, and the adjusting plate (5) and the extruding plate (6) are connected through metal glue or glass glue.
4. 4. A high precision extrusion apparatus for wet plasterboard according to claim 3, The pressure sensor (61) is a diaphragm pressure sensor, and the diaphragm pressure sensor is embedded in the metal glue or glass glue.
5. 5. A high precision extrusion apparatus for wet plasterboard according to claim 3, The pressure sensor (61) is a strain cylinder type pressure sensor, and a blind hole for embedding the strain cylinder type pressure sensor is formed in the bottom surface of the adjusting plate (5).
6. 6. A high precision extrusion apparatus for wet plasterboards as claimed in claim 1, wherein, The teaching board is provided with a distance meter which is arranged towards the forming board (1).
7. 7. A high precision extrusion apparatus for wet plasterboard as claimed in claim 6, wherein, 2 Long edges of timing board (5) extend 2 pterygoid lamina (51) along the width direction of self, the diapire of pterygoid lamina (51) is higher than the diapire of timing board (5), every the both ends of the length direction of pterygoid lamina (51) all are provided with mounting hole (52), and the distancer is laser range finder (53), laser range finder (53) are installed on pterygoid lamina (51), and the detection end embedding of laser range finder (53) is in the inside of mounting hole (52).
8. 8. A high precision extrusion apparatus for wet plasterboards as claimed in claim 1, wherein, The top of the adjusting plate (5) is provided with a first through groove (54) and a second through groove (55), the first through groove (54) and the second through groove (55) extend linearly along the same direction, the first through groove (54) penetrates through the top wall of the adjusting plate (5), the second through groove (55) is positioned in the adjusting plate (5) and is communicated with the first through groove (54), and the width of the second through groove (55) is larger than that of the first through groove (54); the lifting appliance (4) comprises a cake part (41), a screw part (42) and a prismatic part (43) which are coaxially and sequentially connected; The diameter of the cake portion (41) is smaller than the width of the second through groove (55) and larger than the width of the first through groove (54) so that the cake portion (41) can slide inside the second through groove (55); the diameter of the screw portion (42) is smaller than the width of the first through groove (54) so that the screw portion (42) can slide inside the first through groove (54); The positioning plate (3) is provided with a through hole (33) through which the screw rod part (42) can pass, and the inside of the through hole (33) or the two ends of the through hole (33) are fixedly connected with fixing nuts (34) which are coaxially arranged, and the fixing nuts (34) are in threaded connection with the screw rod part (42).
9. 9. A high precision extrusion apparatus for wet plasterboard as claimed in claim 8, The outside of screw rod portion (42) cup joints movable nut (35), the bottom of movable nut (35) is through the bullet pad support fixed nut (34) top.
10. 10. A high precision extrusion apparatus for wet plasterboard as claimed in claim 8, One end fixedly connected with fixed stop (36) of locating plate (3), the other end detachably of locating plate (3) is connected with adjustable stop (37), fixed stop (36) with jackscrew (38) are installed to one of adjustable stop (37), jackscrew (38) are used for supporting and lean on one end of timing board (5), make the other end of timing board (5) support and lean on the other of fixed stop (36) and adjustable stop (37).

Description

High-precision extrusion mechanism for wet gypsum board Technical Field The invention relates to the field of gypsum board forming tables, in particular to a high-precision extrusion mechanism for a wet gypsum board. Background The gypsum board forming table comprises a forming plate and an extrusion plate, in the prior art, gypsum slurry is sprayed on lower facing paper conveyed through a belt in the production process of the gypsum board, then the upper facing paper is stuck above the lower facing paper, the gypsum slurry is trapped in a rectangular cavity surrounded by the upper facing paper and the lower facing paper, the gypsum slurry naturally diffuses and fills every gap in the cavity, and the extrusion plate and the forming plate are used for extruding the upper facing paper and the lower facing paper before the gypsum slurry is solidified into a gypsum wet board, so that two sides of the gypsum board can be leveled and parallel. Because the stripper plate is suspended directly over the shaping board, the diapire of stripper plate can be under the effect of gravity bending deformation, leads to the roughness of the diapire of stripper plate and the depth of parallelism between stripper plate and the shaping board to be difficult to control, leads to paper face gypsum board thickness extremely poor great under the current condition, and then leads to causing paper face gypsum board thickness deviation difficult control, and whole roughness is relatively poor. Disclosure of Invention The invention aims to provide a high-precision extrusion mechanism for a wet gypsum board, which aims to solve the technical problem that the flatness of the bottom wall of the extrusion board and the parallelism between the extrusion board and a forming board are difficult to control. In order to solve the technical problems, the invention specifically provides the following technical scheme: The high-precision extrusion mechanism for the gypsum board wet board comprises a sliding table, a positioning board, a regulating board and an extrusion board, wherein the positioning board, the regulating board and the extrusion board are horizontally arranged and sequentially connected from top to bottom, the positioning board is vertically suspended above a forming board through the sliding table, the regulating board is suspended below the positioning board through a plurality of lifting devices, the lifting devices are distributed on the regulating board in a regular manner according to a rectangular array, the lifting devices are in threaded connection with the positioning board so that the lifting devices can vertically lift, the top wall of the extrusion board is adhered with the bottom wall of the regulating board, a plurality of pressure sensors are arranged between the extrusion board and the regulating board, and the pressure sensors are distributed on the regulating board in a regular manner according to the rectangular array. Further, the top fixedly connected with reinforcing plate of locating plate, the reinforcing plate is vertical to be set up and connect the horizontal direction on the central line place of locating plate is located, the locating plate with be connected with a plurality of stiffening ribs between the reinforcing plate, the stiffening rib perpendicular to the locating plate with the reinforcing plate. Further, the positioning plate and the adjusting plate are both made of metal materials, the extruding plate is made of metal materials or glass, and the adjusting plate and the extruding plate are connected through metal glue or glass glue. Further, the pressure sensor is a diaphragm type pressure sensor, and the diaphragm type pressure sensor is buried in the metal glue or the glass glue. Further, the pressure sensor is a strain cylinder type pressure sensor, and a blind hole for embedding the strain cylinder type pressure sensor is formed in the bottom surface of the adjusting plate. Further, a range finder arranged towards the forming plate is arranged on the teaching board. Further, 2 long edges of the adjusting plate extend out 2 wing plates along the width direction of the adjusting plate, the bottom wall of the wing plate is higher than the bottom wall of the adjusting plate, mounting holes are formed in two ends of the length direction of each wing plate, the range finders are laser range finders, the laser range finders are mounted on the wing plates, and the detection ends of the laser range finders are embedded in the mounting holes. Further, a first through groove and a second through groove are formed in the top of the adjusting plate, the first through groove and the second through groove extend linearly along the same direction, the first through groove penetrates through the top wall of the adjusting plate, the second through groove is located in the adjusting plate and is communicated with the first through groove, the width of the second through groove is larger than that of the fi