CN112207968B - Paper-facing equipment and paper-facing method for gypsum board and gypsum board production line - Google Patents
Paper-facing equipment and paper-facing method for gypsum board and gypsum board production line Download PDFInfo
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- CN112207968B CN112207968B CN202010934271.XA CN202010934271A CN112207968B CN 112207968 B CN112207968 B CN 112207968B CN 202010934271 A CN202010934271 A CN 202010934271A CN 112207968 B CN112207968 B CN 112207968B
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- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 74
- 239000010440 gypsum Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 74
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 239000003973 paint Substances 0.000 claims abstract description 14
- 238000005552 hardfacing Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000004513 sizing Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 18
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000005002 finish coating Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The paper hard surface feeding equipment and the paper hard surface feeding method for the gypsum board and a gypsum board production line are disclosed. The paper facing device comprises: a frame body; the coating roller is rotatably and transversely arranged on the frame body and is used for adhering the pulp and coating the adhered pulp on the lower paper surface of the upper paper in a rolling way; and the defoaming device is arranged beside the coating roller and is used for defoaming the roll-coated slurry. This go up paper hardfacing equipment, it is located the thick liquids top to paint the roller, it rolls adhesion thick liquids on the thick liquids to paint the roller, and roll the thick liquids of adhesion and paint on the downside paper face of last paper, fire fighting equipment carries out the defoaming to the thick liquids of rolling and scribbling, it is bubble-free basically to form the one deck on the downside paper face of last paper, it is closely knit, the nail-holding power is good, even gypsum thick liquid, the lower single heavy gypsum board of making does not exist and goes up the paper big bubble appear, the layering is not stained with, go up the paper side and cross fire, the low scheduling problem of gypsum board lateral strength, the quality is better.
Description
Technical Field
The invention relates to the technical field of gypsum board production, in particular to a paper-coating hard-surface device of a gypsum board, a gypsum board production line and a paper-coating hard-surface method of the gypsum board.
Background
In the development of gypsum board, manufacturers are continually reducing the basis weight (weight per unit area) of gypsum board in order to reduce production costs. The method for reducing the weight of the gypsum board conventionally adopted is to increase the using amount of foaming agent and compressed air so as to enlarge and increase the pores of the core of the gypsum board.
The method has the defects that large bubbles appear on the upper paper, layering is avoided, the side of the upper paper is over-fired, the transverse strength of the gypsum board is low and the like due to the fact that slurry bubbles are large, and the quality of the manufactured gypsum board with low single weight is poor.
Disclosure of Invention
The embodiment of the invention provides paper-coating hard-surface equipment for a gypsum board, which can better ensure the quality of the gypsum board with lower basis weight.
The embodiment of the invention also provides a gypsum board production line.
The embodiment of the invention also provides a method for applying paper to a hard surface of a gypsum board.
The paper facing equipment of gypsum board that the embodiment of the invention provides goes up paper hardfacing equipment includes: a frame body; the coating roller is rotatably and transversely arranged on the frame body and is used for adhering the pulp and coating the adhered pulp on the lower paper surface of the upper paper in a rolling way; and the defoaming device is arranged beside the coating roller and is used for defoaming the roll-coated slurry.
Optionally, the upper paper-facing device of the gypsum board further comprises: and the cleaning device is arranged at the end part of the smearing roller and is used for removing the slurry adhered to the end surface of the smearing roller.
Optionally, the number of the cleaning devices is two, and the two cleaning devices are arranged in one-to-one correspondence with two end faces of the smearing roller.
Optionally, the defoaming device is arranged towards the roller surface of the coating roller and is used for defoaming the slurry adhered to the roller surface of the coating roller, and the coating roller is used for rolling and coating the adhered defoamed slurry on the lower paper surface of the upper paper.
Optionally, the bubble removal apparatus comprises: a pressure pump; and the inlet end of the atomizer is connected with the pressure pump, and the outlet end of the atomizer faces to the roller surface of the smearing roller.
Optionally, the upper paper-hard-surface device of the gypsum board further comprises: the adjusting device is arranged on the frame body and used for adjusting the smearing roller up and down; wherein, adjusting device with the support body includes two sets ofly that the horizontal interval set up, paint the roller and be located two between the adjusting device, paint the both ends of roller and rotationally install two on the adjusting device.
The gypsum board production line provided by the embodiment of the invention comprises the upper paper hard-face equipment of the gypsum board in any embodiment.
The method for applying paper to the hard surface of the gypsum board provided by the embodiment of the invention comprises the following steps: and controlling the coating roller to roll, so that the roller surface of the coating roller adheres the slurry to the slurry, the slurry is coated on the lower paper surface of the upper paper in a rolling way, and the defoaming device is controlled to defoam the roll-coated slurry.
Optionally, the step of controlling the coating roller to roll, so that the roller surface of the coating roller adheres the slurry to the slurry and the slurry is coated on the lower paper surface of the upper paper in a rolling manner, and the step of controlling the defoaming device to defoam the roll-coated slurry comprises the following steps: controlling the coating roller to roll, so that the roller surface of the coating roller adheres the slurry on the slurry; and controlling the defoaming device to defoam the slurry adhered to the roller surface of the coating roller, and coating the adhered defoamed slurry on the lower paper surface of the upper paper by the coating roller in a rolling manner.
Optionally, the paper-facing method of the gypsum board further comprises: and controlling a cleaning device to remove the slurry adhered to the end face of the smearing roller.
According to the upper paper hard surface equipment of the gypsum board provided by the embodiment of the invention, the coating roller is positioned above the slurry, the upper paper is positioned above the coating roller, the coating roller rolls on the slurry to adhere the slurry and roll the adhered slurry on the lower paper surface of the upper paper, and the defoaming device defoams the roll-coated slurry, so that a layer of gypsum slurry which is basically bubble-free, compact, good in holding power and uniform is formed on the lower paper surface of the upper paper, and the prepared lower-weight gypsum board does not have the problems of large bubbles, layering non-sticking, fire passing at the side edge of the upper paper, low transverse strength of the gypsum board and the like, and has better quality.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic right-side structural sectional view of a gypsum board according to a first embodiment of the present invention in a use state of an upper paper-hard-surface device;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic right-view structural view of the frame, the adjusting device and the applying roller of FIG. 1 after being assembled;
fig. 4 is a schematic right-side structural sectional view of a gypsum board according to a second embodiment of the present invention in a use state of an upper paper hard surface device.
Wherein, the relationship between the reference numbers and the part names in fig. 1 to 4 is:
100 frames, 200 smearing rollers, 300 paper feeding, 400 defoaming devices, 500 cleaning devices, 600 slurry, 700 tensioning devices, 800 sizing devices, 900 slurry, 1000 adjusting devices, 1100 forming press plates and 1200 paper discharging.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Example one
As shown in fig. 1 to 3, the upper paper hard surface device for gypsum boards according to an embodiment of the present invention includes: a frame body 100; the coating roller 200 is rotatably and transversely arranged on the frame body 100 and is used for adhering the pulp 900 and coating the adhered pulp 900 on the lower paper surface of the upper paper 300 in a rolling way; and a defoaming device 400 provided beside the coating roller 200 for defoaming the roll-coated slurry 900.
This last paper hardfacing equipment of gypsum board, it is located the ground paste 600 top to paint roller 200, and contact with ground paste 600, it is located and paints roller 200 top to go up paper 300, and with paint roller 200 contact, paint roller 200 and roll adhesion thick liquids 900 on thick liquids 900, and roll the thick liquids 900 of adhesion and paint on the downside paper of last paper 300, fire fighting equipment 400 carries out the defoaming to the thick liquids 900 of roll-painting, it is basically bubble-free to form the one deck on the downside paper of last paper 300, it is close, the nail-holding power is good, even gypsum thick liquid, the lower single heavy gypsum board of making does not have last paper 300 and appears the large bubble, the layering is not stained with, go up paper 300 side fire, the low scheduling problem of gypsum board transverse strength, the quality is better.
Illustratively, as shown in fig. 1 and 2, the upper paper-faced equipment of gypsum board further includes: cleaning device 500, the tip of setting at smearing roller 200 for clear away the thick liquids 900 of smearing roller 200 adhesion on the terminal surface, cleaning device 500 includes two, two cleaning device 500 set up with the both ends face one-to-one of smearing roller 200, avoid smearing the thick liquids 900 of adhesion on roller 200's the terminal surface and solidify and drop to the thick liquids 600 in, guarantee the quality of the gypsum board of making better (go up paper 300 after the adhesion is good on thick liquids 600, solidify and drop to the thick liquids 900 of thick liquids 600 in and can burst paper 300).
Illustratively, as shown in fig. 2 and 3, the upper paper-faced apparatus for gypsum board further includes: the adjusting device 1000 is arranged on the frame body 100 and is used for adjusting the coating roller 200 up and down, so that the slurry 900 can be better adhered and the adhered slurry 900 can be coated on the lower paper surface of the upper paper 300 in a rolling way; wherein, adjusting device 1000 and support body 100 include two sets that the level interval set up, paint roller 200 and be located between two adjusting device 1000, paint roller 200's both ends and rotationally install on two adjusting device 1000.
Illustratively, as shown in fig. 1, the defoaming device 400 is disposed toward the roll surface of the application roll 200, and is used for defoaming the slurry 900 adhered to the roll surface of the application roll 200, and the application roll 200 further roll-coats the adhered defoamed slurry 900 on the lower paper surface of the upper paper 300.
Illustratively, the bubble removal apparatus 400 includes: a pressure pump; and the inlet end of the atomizer is connected with the pressure pump, the outlet end of the atomizer faces the roller surface of the smearing roller 200, and the atomizer sprays atomizing agent to the roller surface of the smearing roller 200 under the action of the pressure pump, so that bubbles in the slurry 900 adhered to the roller surface of the smearing roller 200 are rapidly exploded.
Illustratively, the surface of the applicator roll 200 is coated with a wear resistant, high finish coating.
The paper facing method (not shown) of the paper facing device of the gypsum board comprises the following steps: controlling the coating roller 200 to roll, so that the roller surface of the coating roller 200 adheres the slurry 900 on the slurry 600; the defoaming device 400 is controlled to defoam the slurry 900 adhered on the roller surface of the coating roller 200, and the coating roller 200 then rolls and coats the adhered defoamed slurry 900 on the lower paper surface of the upper paper 300.
The lower-single-weight gypsum board manufactured by the upper paper hard surface method has the advantages that a layer of gypsum slurry which is basically bubble-free, compact, good in nail-holding power and uniform is formed on the lower side paper surface of the upper paper 300, the upper side surface of the gypsum board does not have the problems that the upper paper 300 has large bubbles, layering is not sticky, the side edge of the upper paper 300 is over-fired, the transverse strength of the gypsum board is low and the like, and the quality is better.
Illustratively, the method of applying paper to a gypsum board further comprises: the cleaning device 500 is controlled to remove the slurry 900 adhered to the end face of the applying roller 200, so that the slurry 900 adhered to the end face of the applying roller 200 is prevented from being solidified and falling into the slurry 600, and the quality of the manufactured gypsum board is better ensured (after the upper paper 300 is adhered to the slurry 600, the slurry 900 solidified and falling into the slurry 600 breaks the upper paper 300).
Example two
The difference between this embodiment and the first embodiment is that: as shown in fig. 4, after the defoaming device 400 is directed to the lower paper surface of the upper paper 300, and the coating roller 200 rolls the slurry 900 on the lower paper surface of the upper paper 300, the defoaming device 400 defoams the slurry 900 rolled on the lower paper surface of the upper paper 300, and the purpose of the present application can also be achieved.
The paper facing method (not shown) of the paper facing device of the gypsum board comprises the following steps: the roll of the applying roller 200 is controlled to make the roll surface of the applying roller 200 adhere the slurry 900 on the slurry 600, the adhered slurry 900 is roll-coated on the lower paper surface of the upper paper 300, and the defoaming device 400 is controlled to defoam the slurry 900 adhered on the lower paper surface of the upper paper 300.
The lower-single-weight gypsum board manufactured by the upper paper hard surface method has the advantages that a layer of gypsum slurry which is basically bubble-free, compact, good in nail-holding power and uniform is formed on the lower side paper surface of the upper paper 300, the upper side surface of the gypsum board does not have the problems that the upper paper 300 has large bubbles, layering is not sticky, the side edge of the upper paper 300 is over-fired, the transverse strength of the gypsum board is low and the like, and the quality is better.
Illustratively, the method of applying paper to a gypsum board further comprises: the cleaning device 500 is controlled to remove the slurry 900 adhered to the end face of the applying roller 200, so that the slurry 900 adhered to the end face of the applying roller 200 is prevented from being solidified and falling into the slurry 600, and the quality of the manufactured gypsum board is better ensured (after the upper paper 300 is adhered to the slurry 600, the slurry 900 solidified and falling into the slurry 600 breaks the upper paper 300).
EXAMPLE III
The gypsum board production line provided by the embodiment of the invention is shown in fig. 1, fig. 2 and fig. 4, and comprises upper paper hard surface equipment of the gypsum board according to any one of the embodiments.
The lower single-weight gypsum board that this gypsum board production line made forms the one deck on the downside paper of paper 300 and does not have bubble basically, closely knit, the good, even gypsum thick liquid of nail-holding power, and the side of going up of gypsum board does not have paper 300 and appears big bubble, the layering is not stained with, go up paper 300 side and cross fire, the low scheduling problem of gypsum board transverse strength, and the quality is better.
Illustratively, as shown in fig. 1, 2 and 4, the gypsum board production line further includes a tensioning device 700, a sizing device 800 and a forming press plate 1100, the tensioning device 700 has tensioning wheels pressed against the upper side paper surface of the upper paper 300 on both sides of the applicator roll 200, the sizing device 800 is disposed at both sides of the lower side paper surface of the upper paper 300, and the forming press plate 1100 is disposed at the front side of the tensioning device 700 for finally pressing the upper paper 300 against the slurry 600, the paper moving in the opposite direction from the contact position with the applicator roll 200. Reference numeral 1200 is lower paper.
In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" structure ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures referred to have specific orientations, are configured and operated in specific orientations, and thus, are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An upper paper hardfacing apparatus for gypsum board, comprising:
a frame body;
the coating roller is rotatably and transversely arranged on the frame body and is used for adhering the slurry on the slurry borne on the lower paper and coating the adhered slurry on the lower paper surface of the upper paper in a rolling way; and
the defoaming device is arranged beside the coating roller and is used for defoaming the roll-coated slurry;
the defoaming device is arranged towards the roller surface of the smearing roller and is used for defoaming the slurry adhered to the roller surface of the smearing roller, and the smearing roller is used for rolling and smearing the adhered defoamed slurry on the lower paper surface of the upper paper; or,
the defoaming device faces to the lower paper surface of the upper paper and is used for defoaming the sizing agent which is coated on the lower paper surface of the upper paper in a rolling way after the sizing agent is coated on the lower paper surface of the upper paper in the rolling way by the coating roller.
2. The apparatus for papercoating of gypsum board as claimed in claim 1, further comprising:
and the cleaning device is arranged at the end part of the smearing roller and is used for removing the slurry adhered to the end surface of the smearing roller.
3. The paper-feeding hard-surface device for gypsum boards as claimed in claim 2, wherein the cleaning means comprises two cleaning means, and the two cleaning means are disposed in one-to-one correspondence with both end surfaces of the application roller.
4. The apparatus of claim 1, wherein the defoaming device comprises:
a pressure pump; and
and the inlet end of the atomizer is connected with the pressure pump, and the outlet end of the atomizer faces to the roller surface of the smearing roller.
5. A paper-feeding hard-face apparatus of gypsum board according to any one of claims 1 to 4, further comprising:
the adjusting device is arranged on the frame body and used for adjusting the smearing roller up and down;
wherein, adjusting device with the support body includes two sets ofly that the horizontal interval set up, paint the roller and be located two between the adjusting device, paint the both ends of roller and rotationally install two on the adjusting device.
6. A gypsum board production line, characterized by comprising an upper paper-faced apparatus of a gypsum board according to any one of claims 1 to 5.
7. A method of applying paper to a gypsum board comprising:
controlling the coating roller to roll, so that the roller surface of the coating roller adheres slurry to the slurry borne on the lower paper, the slurry is coated on the lower paper surface of the upper paper in a rolling manner, and the defoaming device is controlled to defoam the roll-coated slurry;
controlling the smearing roller to roll so that the roller surface of the smearing roller adheres the slurry to the slurry;
the defoaming device is controlled to defoam the slurry adhered to the roll surface of the smearing roll, and the smearing roll is used for roll-coating the adhered defoamed slurry on the lower paper surface of the upper paper; or,
firstly, the adhered pulp is coated on the lower paper surface of the upper paper in a rolling way, and then the defoaming device is controlled to defoam the pulp adhered on the lower paper surface of the upper paper.
8. The method of paperfacing a gypsum board as claimed in claim 7, further comprising:
and controlling a cleaning device to remove the slurry adhered to the end face of the smearing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934271.XA CN112207968B (en) | 2020-09-08 | 2020-09-08 | Paper-facing equipment and paper-facing method for gypsum board and gypsum board production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934271.XA CN112207968B (en) | 2020-09-08 | 2020-09-08 | Paper-facing equipment and paper-facing method for gypsum board and gypsum board production line |
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| Publication Number | Publication Date |
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| CN112207968A CN112207968A (en) | 2021-01-12 |
| CN112207968B true CN112207968B (en) | 2022-07-19 |
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| CN202010934271.XA Active CN112207968B (en) | 2020-09-08 | 2020-09-08 | Paper-facing equipment and paper-facing method for gypsum board and gypsum board production line |
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| 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 |
| CN114393690B (en) * | 2022-01-10 | 2023-08-18 | 故城北新建材有限公司 | Method and device for detecting gypsum board material block |
| CN114950841A (en) * | 2022-06-29 | 2022-08-30 | 北新集团建材股份有限公司 | Device and method for coating paper on gypsum board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3713060B2 (en) * | 1994-10-14 | 2005-11-02 | 吉野石膏株式会社 | Roll coater and molding method of gypsum board using the same |
| US7435369B2 (en) * | 2001-06-06 | 2008-10-14 | Bpb Plc | Method for targeted delivery of additives to varying layers in gypsum panels |
| US8486516B2 (en) * | 2008-08-29 | 2013-07-16 | Certainteed Gypsum, Inc. | Plastic coated composite building boards and method of making same |
| CN204093095U (en) * | 2014-07-31 | 2015-01-14 | 宁波北新建材有限公司 | A kind of slip cooling defoaming device |
| CN204601705U (en) * | 2015-03-25 | 2015-09-02 | 北新集团建材股份有限公司 | Slip defoaming device |
| CN208711126U (en) * | 2018-07-20 | 2019-04-09 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of online adding set of desulfurization defoaming agent |
| CN210495334U (en) * | 2019-08-30 | 2020-05-12 | 泰山石膏(东营)有限公司 | Gypsum board ground paste fire fighting equipment |
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