CN114083670B - Paper density adjusting device on gypsum board - Google Patents
Paper density adjusting device on gypsum board Download PDFInfo
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- CN114083670B CN114083670B CN202111421848.8A CN202111421848A CN114083670B CN 114083670 B CN114083670 B CN 114083670B CN 202111421848 A CN202111421848 A CN 202111421848A CN 114083670 B CN114083670 B CN 114083670B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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Abstract
The invention discloses a density adjusting device for paper on a gypsum board, which comprises a rotating arm, a pulp distribution pipe, a first driving mechanism and an integrated mounting position, wherein the rotating arm, the pulp distribution pipe and the first driving mechanism are arranged at a pulp spreading working section of the paper on the gypsum board; the rotating arm drives the integrated mounting position to integrally rotate around a mounting fulcrum of the rotating arm under the action of the second driving mechanism so as to change the distance between the upper paper and the pulp distribution pipe, and the squeezing roller is close to or far away from the driving roller through the first driving mechanism so as to change the pulp spreading thickness of the upper paper. According to the invention, slurry is uniformly paved on the upper paper of the gypsum board through the slurry distributing pipe, the distance between the slurry distributing pipe and the upper paper is adjusted through the integral rotation of the integrated mounting position, and the slurry paving thickness of the upper paper is adjusted through moving the extrusion roller.
Description
Technical Field
The invention relates to the technical field of gypsum board production, in particular to a paper density adjusting device on a gypsum board.
Background
Gypsum boards are common building finishing materials. The gypsum board generally is wedge limit, and wedge edge position thickness low density is little, appears the problem of crossing fire easily in the drying process, causes the change and protects the facial tissue adhesive property poor, and the problem such as flange crisp appears, and the poor problem of limit portion nail-holding power appears easily during the construction, and the poor firm degree of gypsum board nail-holding power influences gypsum board nailing department and fossil fragments combination easily, and then influences the fitment tightness.
The improvement of the nail holding force of the gypsum board is beneficial to improving the firmness of the combination of the gypsum board and the keel, and the surface density and the corner surface density of the gypsum board are required to be changed. In the prior art, partial density adjusting devices redistribute the distribution of local gypsum slurry on line simultaneously through the spreading of the gypsum slurry, so that the density of the surface of the gypsum board is changed, and the local strength and the surface flatness of the surface of the gypsum board are improved.
However, in the conventional embodiment, in which the slurry is spread on the upper cover paper and the distribution of the density ratio is readjusted by the self-impact force and the slurry distribution ports on both sides of the drum, the slurry is not initially spread on the upper cover paper to a large extent, and when the slurry moves to the vicinity of the drum by self-washing and transfer, the slurry is more unevenly distributed only by splitting, and since the slurry object itself subjected to the density redistribution operation at the drum is uneven, even if the density ratio is redistributed at the drum after being squeezed out, the corner area density may be excessively increased, resulting in uneven distribution of the density of the gypsum board.
Disclosure of Invention
The invention aims to provide a density adjusting device for paper on a gypsum board, which aims to solve the technical problem that the density distribution of the gypsum board is not uniform, the intensity distribution of the gypsum board influences the nail holding performance of the gypsum board in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a density adjusting device for paper on a gypsum board is arranged at a paper pulp spreading working section on the gypsum board, wherein the paper pulp spreading working section comprises an upper protective paper and a pulp separating pipe arranged above the upper protective paper, the pulp separating pipe comprises a rotating arm arranged on the paper pulp spreading working section on the gypsum board and an integrated mounting position arranged on the rotating arm, the paper pulp spreading working section is arranged at the upstream of the integrated mounting position, a driving roller is arranged on the integrated mounting position, a squeezing roller is arranged on one side of the driving roller, and the upper protective paper after pulp spreading is pulled out through a gap between the driving roller and the squeezing roller;
the rotating arm is connected with a second driving mechanism, and the rotating arm drives the integrated mounting position to integrally rotate around a mounting fulcrum of the rotating arm under the action of the second driving mechanism; integrated installation position is wound the installation fulcrum rotation of rotor arm is in order to change go up mask paper with divide the distance of thick liquid pipe still be provided with a actuating mechanism on the integrated installation position, the squeeze roll is connected on a actuating mechanism, the squeeze roll passes through a actuating mechanism is close to or keeps away from the driving roller is in order to change divide thick liquid pipe spun thick liquids the shop's thick liquid thickness of paper on the mask paper.
As a preferred scheme of the invention, the slurry distribution device further comprises a supporting base and a bearing vertical rod arranged on the supporting base, wherein the transmission roller, the squeezing roller, the rotating arm, the slurry distribution pipe and the integrated mounting position are arranged at the same side of the bearing vertical rod;
the rotor arm tip is provided with the rotor arm axle install the bearing base on the bearing dress montant, the rotor arm passes through the rotor arm coupling is in on the bearing base, second actuating mechanism's one end is installed on the bearing dress montant, second actuating mechanism's the other end is connected on the rotor arm, second actuating mechanism to the edge is applyed to the one end of rotor arm the power of second actuating mechanism axis direction, so that the rotor arm winds the bearing base rotates.
As a preferable scheme of the invention, a direction guide roller is arranged on the bearing vertical rod and used for guiding and conveying the upper protective paper output from the outside to the transmission roller;
the upper protective paper between the direction guide roller and the transmission roller is obliquely arranged to form a pulp spreading section, the pulp distribution pipe is led out to the position above the upper protective paper from the material mixing cavity, and the pulp outlet of the pulp distribution pipe is over against the upper surface of the pulp spreading section to spray materials.
As a preferred scheme of the invention, a driving roller support is arranged on the integrated mounting position, the bottom of the driving roller support is arranged on the rotating arm, the driving roller is arranged on one side of the driving roller support, which is far away from the vertical bearing rod, and the driving rollers are vertically arranged in parallel, wherein the driving roller support is arranged at the upper part and the lower part;
the driving roller, the driving roller support and the first driving mechanism are integrally installed on the integrated installation position and integrally follow the rotating arm to rotate around the connecting point of the bearing base and the rotating arm shaft so as to change the inclination angle of the pulp paving section, and therefore the distance between the upper surface of the pulp paving section and the pulp outlet of the pulp distributing pipe is changed.
As a preferable aspect of the present invention, the pressing roller is disposed between the first driving mechanism and the driving roller, the pressing roller directly faces a pulp spreading surface of the upper cover paper conveyed by the driving roller, the upper cover paper after pulp spreading is extruded and pulled out from a gap between the driving roller and the pressing roller, and a thickness of the upper pulp of the upper cover paper after pulp spreading is determined by a magnitude of an extrusion force between the pressing roller and the driving roller.
As a preferable scheme of the present invention, the second driving mechanism includes a cylinder, and second connecting members are respectively disposed at two ends of the cylinder;
a cylinder bottom plate is arranged at the top of the vertical bearing rod, a first connecting piece is arranged on the cylinder bottom plate, and the first connecting piece is correspondingly connected with the second connecting piece so as to install the tail part of the cylinder on the cylinder bottom plate;
the end part of the cylinder head of the cylinder is connected with a rotating driving shaft, the end part of the rotating driving shaft is connected to the end part of the rotating arm through the second connecting piece, the cylinder is obliquely arranged above the rotating arm, the rotating driving shaft is collinear with the long axis of the cylinder, and the cylinder applies a force along the long axis direction of the cylinder to the rotating arm through the rotating driving shaft so as to drive the rotating arm to rotate around the mounting fulcrum of the rotating arm.
As a preferred scheme of the present invention, the first driving mechanism includes a movable arm and an adjusting screw rod, and the movable arm and the adjusting screw rod are connected through a third connecting member;
the movable arm is coaxially connected with the rotating arm and can move in a telescopic mode along the long axis direction of the rotating arm, the third connecting piece is vertically installed on the movable arm, the extrusion roller is installed on one side, close to the vertical bearing rod, of the third connecting piece, one end of the adjusting screw rod is installed on the third connecting piece through a pin shaft, the other end of the adjusting screw rod is connected with the transmission roller support, and the transmission roller support can move along the long axis direction of the adjusting screw rod;
under the action of driving force, the driving roller bracket moves along the long axis of the adjusting screw rod arranged at the top of the squeezing roller, and the movable arm arranged at the bottom of the squeezing roller synchronously extends or contracts along the long axis direction of the rotating arm to move, so that the squeezing roller arranged on the third connecting piece is driven to be far away from or close to the driving roller.
As a preferable scheme of the invention, the discharge opening section of the slurry separation pipe is obliquely arranged, and the material spraying direction of the discharge opening section intersects with the conveying direction of the protective paper on the slurry paving section to form an obtuse angle.
In a preferred embodiment of the present invention, the rotation speed of the press roll does not exceed the transport speed of the upper liner paper.
As a preferable scheme of the invention, the device comprises an adjuster which is composed of the rotating arm, the transmission roller, the squeezing roller, the first driving mechanism, the second driving mechanism, the supporting base, the vertical bearing rod and the direction guide roller and used for adjusting the pulp spreading thickness of the upper protective paper and adjusting the distance between the pulp distribution pipe and the upper protective paper;
the two groups of regulators are respectively provided with one pulp distribution pipe, and the two groups of regulators share the driving roller and the extrusion roller.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the upper paper protection cover paper after pulp spreading is pulled out through a gap between the transmission roller and the extrusion roller by arranging the transmission roller, the extrusion roller and the second driving mechanism which are integrally arranged on the transmission arm at the paper pulp spreading section on the gypsum board; the rotating arm drives the integrated installation position to wholly revolve the installation fulcrum of the rotating arm to rotate under the action of the second driving mechanism so as to change the distance between the upper protective paper and the pulp separating pipe, the extrusion roller is connected with the first driving mechanism and is close to or far away from the driving roller through the first driving mechanism so as to change the pulp spreading thickness of pulp sprayed by the pulp separating pipe on the protective paper, the density distribution and the encrypted edge part of the light gypsum board surface can be controlled, the gypsum board strength and the nail holding force are improved, and the surface smoothness of the gypsum board and the cohesiveness of the gypsum board surface paper and the board core are effectively improved.
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 schematic connection diagram of an overall structure of a regulator according to an embodiment of the present invention;
FIG. 2 is a partial front view of a regulator according to an embodiment of the present invention;
FIG. 3 is a partial side view of an adjuster according to an embodiment of the invention;
FIG. 4 is a partial top view of a regulator provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of a structural connection on an integrated mounting site according to an embodiment of the present invention;
the reference numerals in the drawings denote the following, respectively:
1-a slurry separating pipe; 2-a rotating arm; 3-integrating the installation position; 4-driving rollers; 5-an extrusion roller; 6-a first drive mechanism; 7-a second drive mechanism; 8-supporting the base; 9-bearing and installing vertical rods; 10-a bearing mount;
11-cylinder bottom plate; 12-a first connector; 13-a driving roller support; 14-directional guide rollers; 15-rotation
An arm shaft; 16-covering paper; 17-a mixer;
61-a movable arm; 62-adjusting a screw rod; 63-a third connector; 64-a pin shaft; 71-a cylinder; 72-a second connector; 73-rotating the drive shaft.
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.
The embodiment is mainly suitable for the technical field of light gypsum board production, is applied to a paper pulp paving workshop section on a gypsum board, and can ensure that pulp sprayed from a pulp distributing pipe led out from a mixer is uniformly paved on the upper protective paper by adjusting the pulp paving section angle of the upper protective paper (the same paper on the gypsum board), thereby improving the thickness of the pulp at the corners of the gypsum board and avoiding the excessive crispness of the corners of the gypsum board.
And the distance between the pulp separating pipe and the upper protective paper of the pulp paving section is adjusted by arranging the rotating arm and the driving mechanism thereof, the extrusion degree of the upper protective paper and the pulp by the extrusion roller is adjusted by arranging the extrusion roller and the driving mechanism thereof, the upper protective paper upper pulp paving thickness is adjusted, the corner surface density is improved, the strength and the flatness of the board surface of the gypsum board are uniformly enhanced, and the performance of the gypsum board is uniformly improved.
As shown in fig. 1 to 5, the present invention provides a density adjusting device for paper on gypsum board, which is disposed in a paper pulp spreading section including an external feeding upper protective paper to be spread and a pulp distribution pipe 1 disposed above the upper protective paper, and includes two sets of density adjusters disposed in the same manner.
The density regulator comprises a rotating arm 2 arranged on a paper pulp spreading section on a gypsum board and an integrated installation position 3 arranged on the rotating arm 2, the paper pulp spreading section is arranged at the upstream of the integrated installation position 3, a transmission roller 4 is arranged on the integrated installation position 3, an extrusion roller 5 and a first driving mechanism 6 are arranged on one side of the transmission roller 4, the extrusion roller 5 is connected onto the first driving mechanism 6, and upper protective paper after pulp spreading is pulled out through a gap between the transmission roller 4 and the extrusion roller 5.
For convenience of description, installation spaces of the driving roller 4, the driving roller supporter 13, the squeeze roller 5, and the first driving mechanism 6 provided at the top of one end of the rotating arm 2 are collectively referred to as an integrated installation site 3.
The main regulating action mechanisms of the regulator are as follows: the rotating arm 2 is connected with a second driving mechanism 7, and the rotating arm 2 drives the integrated installation position 3 to integrally rotate around an installation fulcrum of the rotating arm 2 under the action of the second driving mechanism 7; the integrated mounting position 3 rotates around a mounting fulcrum of the rotary arm 2 to change the distance between the upper protective paper and the pulp distribution pipe 1, and the squeezing roller 5 is close to or far away from the driving roller 4 through the first driving mechanism 6 to change the pulp spreading thickness of pulp sprayed by the pulp distribution pipe 1 on the protective paper.
The density distribution of the surface of the gypsum board affects the quality of the surface of the gypsum board, and the surface density, particularly the thickness and the density of the edge part of the gypsum board affects the bonding performance of the facing paper and the nail holding power; the thickness of the edge pulp spreading of the paper on the facing paper is changed mainly for adjusting the density and the strength of the gypsum board surface, and the bonding property, the flatness and the nail holding force of the gypsum board can be synchronously improved by integrating the two adjusting modes. The thickness of the general sizing is controlled to be about 0.2mm, the distance from the sizing to the two side edges of the upper protective paper is 10mm, and the sizing position of the edge-gluing glue is reserved.
Specifically, the regulator further comprises a supporting base 8 and a vertical bearing rod 9 arranged on the supporting base 8, and the transmission roller 4, the squeezing roller 5, the rotating arm 2, the pulp separating pipe 1 and the integrated mounting position 3 are arranged on the same side of the vertical bearing rod 9. The end part of the rotating arm 2 is provided with a rotating arm shaft 15, a bearing base 10 is installed on the bearing vertical rod 9, the rotating arm 2 is connected to the bearing base 10 through the rotating arm shaft 15, one end of a second driving mechanism 7 is installed on the bearing vertical rod 9, the other end of the second driving mechanism 7 is connected to the rotating arm 2, and the second driving mechanism 7 applies force along the axial direction of the second driving mechanism 7 to one end of the rotating arm 2 so that the rotating arm 2 rotates around the bearing base 10.
In the embodiment, a direction guide roller 14 is arranged on the bearing vertical rod 9, and the direction guide roller 14 is used for guiding and conveying the upper protective paper output from the outside to the transmission roller 4; unlike the prior art in which the slurry is directly guided and spread, in the present embodiment, the upper protective paper is guided out by the direction guide roller 14, and a obliquely arranged slurry spreading section is formed between the direction guide roller 14 and the driving roller 4, as shown in fig. 1, the slurry distribution pipe 1 is guided out from the mixing machine cavity to above the upper protective paper, the slurry outlet of the slurry distribution pipe 1 is directly opposite to the upper surface of the slurry spreading section, the slurry outlet section of the slurry distribution pipe 1 is obliquely arranged, and the slurry spraying direction of the slurry outlet section intersects with the conveying direction of the protective paper on the slurry spreading section to form an obtuse angle, so that the slurry is uniformly spread on the upper protective paper.
In detail, a driving roller bracket 13 is arranged on the integrated mounting position 3, the bottom of the driving roller bracket 13 is arranged on the rotating arm 2, the driving roller 4 is arranged on one side of the driving roller bracket 13 far away from the vertical bearing rod 9, and the driving roller 4 is vertically arranged in parallel; the two driving rollers 4 jointly transport the upper cover paper.
Wherein, squeeze roll 5 sets up between first actuating mechanism 6 and driving roller 4, and squeeze roll 5 is just to the face of spreading of the last mask paper of driving roller 4 transmission, and the last mask paper after spreading thick liquid is extruded and is pulled out from the gap between driving roller 4 and squeeze roll 5, and the extrusion force size between squeeze roll 5 and driving roller 4 decides the upper spread thick liquid thickness of the last mask paper after spreading thick liquid.
In the density adjusting device in the prior art, when a common roller rotates clockwise, the middle slurry can be uniformly distributed, so that the strength of the light gypsum board is improved, the rotation speed can be adjusted to adjust the middle surface density or the edge surface density distribution of the light gypsum board, and the rotation speed can be reduced to increase the edge slurry amount and the edge density.
In addition, the upper facing paper and the slurry laid on the upper facing paper are extruded and pulled out by the extrusion roller 5 and the driving roller 4, and the high-density slurry and the facing paper are fully bonded together, so that the surface flatness of the gypsum board and the bonding property of the facing paper and the board core of the gypsum board can be effectively improved.
In the embodiment, the rotating speed of the squeeze roll 5 cannot exceed the transmission speed of the upper protective paper, so that a certain friction exists between the squeeze roll 5 and the upper protective paper, the slurry can be dispersed more uniformly, and meanwhile, the slurry obtained by adhering the front protective paper to the surface of the squeeze roll 5 can be rubbed off by the rear upper protective paper, so that self-cleaning can be realized.
In the embodiment of the present invention, the second driving mechanism 7 is mainly used for driving the rotating arm 2 to rotate around the installation pivot, and specifically, in the embodiment, the second driving mechanism 7 includes the air cylinder 71, and the air cylinder is a straight cylinder, which is small, light, low in cost, and convenient to install.
The top of the bearing vertical rod 9 is provided with a cylinder bottom plate 11, the cylinder bottom plate 11 is provided with a first connecting piece 12, the first connecting piece 12 adopts a double-lug base, two ends of a cylinder 71 are respectively provided with a second connecting piece 72 (the second connecting pieces 72 at the two ends of the cylinder 71 are the same), and the second connecting piece 72 adopts a single-lug base, and the first connecting piece 12 and the second connecting piece 72 are correspondingly connected through bolt and nut connection so as to install the tail part of the cylinder 71 on the cylinder bottom plate 11. A rotary driving shaft 73 is connected to the end of the cylinder head of the cylinder 71, the end of the rotary driving shaft 73 is connected to the end of the rotary arm 2 through a second connecting member 72, and in order to facilitate the rotation of the rotary arm 2, the cylinder 71 is obliquely arranged above the rotary arm 2, the rotary driving shaft 73 is collinear with the long axis of the cylinder 71, and the cylinder 71 applies a force to the rotary arm 2 through the rotary driving shaft 73 along the long axis of the cylinder 71, so as to drive the rotary arm 2 to rotate around the installation fulcrum of the rotary arm 2.
The first driving mechanism 6 mainly drives the squeezing roller 5 to move, the first driving mechanism 6 comprises a movable arm 61 and an adjusting screw rod 62, the movable arm 61 and the adjusting screw rod 62 are connected through a third connecting piece 63, and the third connecting piece 63 adopts a double-lug base.
The movable arm 61 is coaxially connected with the rotating arm 2, the movable arm 61 moves in a telescopic mode along the long axis direction of the rotating arm 2, the third connecting piece 63 is vertically installed on the movable arm 61, the extrusion roller 5 is installed on one side, close to the vertical bearing rod 9, of the third connecting piece 63, one end of the adjusting screw rod 62 is installed on the third connecting piece 63 through the pin shaft 64, the other end of the adjusting screw rod 62 is connected with the transmission roller support 13, the transmission roller support 63 is equivalent to a nut moving on the screw rod according to the lead in a screw nut in the prior art, and therefore the transmission roller support 13 can move along the long axis direction of the adjusting screw rod 62.
Under the action of driving force (a driving motor of the screw rod), the transmission roller bracket 13 moves along the long axis of the adjusting screw rod 62 arranged at the top of the extrusion roller 5, and the movable arm 61 arranged at the bottom of the extrusion roller 5 synchronously extends or contracts along the long axis direction of the rotating arm 2 to move, so that the extrusion roller 5 arranged on the third connecting piece 63 is driven to be far away from or close to the transmission roller 4, and the thickness of upper mask paper pulp spreading is adjusted.
The adjusting device for adjusting the upper facing paper pulp spreading thickness and adjusting the distance between the pulp separating pipe 1 and the upper facing paper comprises the rotating arm 2, the transmission roller 4, the squeezing roller 5, the first driving mechanism 6, the second driving mechanism 7, the supporting base 8, the bearing vertical rod 9 and the direction guide roller 14, and the gypsum board density adjusting device is a structure which gives consideration to cost and efficiency and is used for controlling the density distribution of the light gypsum board surface and encrypting the corner parts. In addition, in the embodiment, the two groups of regulators are arranged, the two groups of regulators are respectively provided with the pulp separating pipe 1, the two groups of regulators share the transmission roller 4 and the squeezing roller 5, namely, the two groups of regulators are synchronous in paper feeding on the mask paper, including transmission speed and angle adjustment, the rotating number of the squeezing roller 5 and pulp spreading thickness adjustment, and the two groups of pulp spreading regulators are synchronous in pulp spreading and density adjustment, so that the pulp spreading efficiency is improved.
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 (7)
1. A density adjusting device for paper on a gypsum board is arranged at a paper pulp spreading working section on the gypsum board, wherein the paper pulp spreading working section comprises an upper protective paper and a pulp separating pipe (1) arranged above the upper protective paper and is characterized by comprising a rotating arm (2) arranged on the paper pulp spreading working section on the gypsum board and an integrated mounting position (3) arranged on the rotating arm (2), the paper pulp spreading working section is arranged at the upstream of the integrated mounting position (3), a transmission roller (4) is arranged on the integrated mounting position (3), an extrusion roller (5) is arranged on one side of the transmission roller (4), and the upper protective paper after pulp spreading is pulled out through a gap between the transmission roller (4) and the extrusion roller (5);
the rotating arm (2) is connected with a second driving mechanism (7), and the rotating arm (2) drives the integrated mounting position (3) to integrally rotate around a mounting fulcrum of the rotating arm (2) under the action of the second driving mechanism (7); the integrated mounting position (3) rotates around a mounting fulcrum of the rotating arm (2) to change the distance between the upper protective paper and the pulp distribution pipe (1), a first driving mechanism (6) is further arranged on the integrated mounting position (3), the extrusion roller (5) is connected onto the first driving mechanism (6), and the extrusion roller (5) is close to or far away from the driving roller (4) through the first driving mechanism (6) to change the pulp spreading thickness of pulp sprayed by the pulp distribution pipe (1) on the upper protective paper;
the device is characterized by further comprising a supporting base (8) and a bearing vertical rod (9) arranged on the supporting base (8), wherein the transmission roller (4), the squeezing roller (5), the rotating arm (2), the pulp distribution pipe (1) and the integrated mounting position (3) are arranged on the same side of the bearing vertical rod (9);
a rotating arm shaft (15) is arranged at the end part of the rotating arm (2), a bearing base (10) is installed on the bearing vertical rod (9), the rotating arm (2) is connected to the bearing base (10) through the rotating arm shaft (15), one end of a second driving mechanism (7) is installed on the bearing vertical rod (9), the other end of the second driving mechanism (7) is connected to the rotating arm (2), and the second driving mechanism (7) applies force along the axial direction of the second driving mechanism (7) to one end of the rotating arm (2) so that the rotating arm (2) rotates around the bearing base (10);
a direction guide roller (14) is mounted on the bearing vertical rod (9), and the direction guide roller (14) is used for guiding and conveying upper protective paper output from the outside to the transmission roller (4);
the upper protective paper between the direction guide roller (14) and the transmission roller (4) is obliquely arranged to form a pulp paving section, the pulp distribution pipe (1) is led out from the material cavity of the mixer to be above the upper protective paper, and the pulp outlet of the pulp distribution pipe (1) is opposite to the upper surface of the pulp paving section for spraying;
a driving roller support (13) is arranged on the integrated mounting position (3), the bottom of the driving roller support (13) is mounted on the rotating arm (2), the driving roller (4) is mounted on one side, away from the bearing vertical rod (9), of the driving roller support (13), and the driving roller (4) is vertically arranged in parallel in an upper mode and a lower mode;
driving roller (4) with driving roller support (13) and first actuating mechanism (6) integrated the installation in integrated installation position to wholly follow rotor arm (2) are wound bearing base (10) with the tie point of rotor arm axle (15) rotates, in order to change spread the angle of inclination of thick liquid section, thereby change spread thick liquid section upper surface with divide the distance between thick liquid pipe (1) play thick liquid mouth.
2. The device for adjusting the paper density on the gypsum board according to claim 1, wherein the extrusion roller (5) is arranged between the first driving mechanism (6) and the transmission roller (4), the extrusion roller (5) is just opposite to the pulp spreading surface of the upper mask paper transmitted by the transmission roller (4), the upper mask paper after pulp spreading is extruded and pulled out from a gap between the transmission roller (4) and the extrusion roller (5), and the extrusion force between the extrusion roller (5) and the transmission roller (4) determines the thickness of the upper mask paper after pulp spreading.
3. A paper density adjusting apparatus for gypsum board according to claim 2, wherein the second driving mechanism (7) comprises an air cylinder (71), and a second connecting member (72) is provided at each end of the air cylinder (71);
a cylinder bottom plate (11) is arranged at the top of the bearing vertical rod (9), a first connecting piece (12) is installed on the cylinder bottom plate (11), and the first connecting piece (12) is correspondingly connected with the second connecting piece (72) so as to install the tail part of the cylinder (71) on the cylinder bottom plate (11);
a rotary driving shaft (73) is connected to the end of the cylinder head of the cylinder (71), the end of the rotary driving shaft (73) is connected to the end of the rotary arm (2) through the second connecting piece (72), the cylinder (71) is obliquely arranged above the rotary arm (2), the rotary driving shaft (73) is collinear with the long axis of the cylinder (71), and the cylinder (71) applies a force to the rotary arm (2) through the rotary driving shaft (73) along the long axis direction of the cylinder (71) so as to drive the rotary arm (2) to rotate around the mounting fulcrum of the rotary arm (2).
4. Device according to claim 2, characterized in that said first actuating means (6) comprise a mobile arm (61) and a lead screw (62), said mobile arm (61) and said lead screw (62) being connected by a third connection element (63);
the movable arm (61) is coaxially connected with the rotating arm (2), the movable arm (61) moves in a telescopic mode along the long axis direction of the rotating arm (2), the third connecting piece (63) is vertically installed on the movable arm (61), the squeeze roller (5) is installed on one side, close to the bearing vertical rod (9), of the third connecting piece (63), one end of the adjusting screw rod (62) is installed on the third connecting piece (63) through a pin shaft (64), the other end of the adjusting screw rod (62) is connected with the transmission roller support (13), and the transmission roller support (13) can move in the long axis direction of the adjusting screw rod (62);
under the action of driving force, the driving roller bracket (13) moves along the long axis of the adjusting screw rod (62) arranged at the top of the squeezing roller (5), and the movable arm (61) arranged at the bottom of the squeezing roller (5) synchronously extends or contracts along the long axis direction of the rotating arm (2) to move, so that the squeezing roller (5) arranged on the third connecting piece (63) is driven to be far away from or close to the driving roller (4).
5. A device for adjusting the density of paper on plasterboard according to claim 2, characterised in that the outlet section of the slurry pipe (1) is arranged obliquely and the direction of the jet of the outlet section intersects the direction of transport of the liner paper on the lay-up section at an obtuse angle.
6. A device for adjusting the paper density on plasterboard according to claim 5, characterised in that the rotation speed of the press roll (5) does not exceed the transport speed of the upper cover paper.
7. The density adjusting device for the paper on the gypsum board as claimed in claim 6, wherein the adjusting device for adjusting the thickness of the upper protective paper and the distance between the pulp separating pipe (1) and the upper protective paper is composed of the rotating arm (2), the transmission roller (4), the squeezing roller (5), the first driving mechanism (6), the second driving mechanism (7), the supporting base (8), the vertical loading rod (9) and the direction guide roller (14);
the two groups of regulators are respectively provided with the pulp separating pipe (1), and the two groups of regulators share the driving roller (4) and the squeezing roller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421848.8A CN114083670B (en) | 2021-11-26 | 2021-11-26 | Paper density adjusting device on gypsum board |
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| CN202111421848.8A CN114083670B (en) | 2021-11-26 | 2021-11-26 | Paper density adjusting device on gypsum board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3878278A (en) * | 1971-10-21 | 1975-04-15 | Charles H Miller | Lightweight reinforced structural material |
| FR2323504A1 (en) * | 1975-09-11 | 1977-04-08 | Knut Dederichs Stahl Maschinen | Continuous light weight concrete building panel mfr. - passes mixt. down vertical shaft with walls formed by endless belts |
| CN102407206A (en) * | 2011-09-16 | 2012-04-11 | 刘保龙 | Spraying mechanical arm |
| CN106239717A (en) * | 2016-05-19 | 2016-12-21 | 余强 | A kind of Gypsum Fibrosum making sheet self-cleaning proportioning device |
| CN209937178U (en) * | 2018-12-07 | 2020-01-14 | 晋州市红日板业有限公司 | Synchronous forming machine is used in production of environmental protection gypsum board |
| CN210847002U (en) * | 2019-09-23 | 2020-06-26 | 常州丰锦塑胶科技有限公司 | Gluing machine with adjustable gluing thickness |
| CN113370637A (en) * | 2021-06-02 | 2021-09-10 | 淮南北新建材有限公司 | Gypsum board apparatus for producing, subassembly, and equipment |
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