CN106217593B - Machine of fetching of calcium silicate board production usefulness - Google Patents
Machine of fetching of calcium silicate board production usefulness Download PDFInfo
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- CN106217593B CN106217593B CN201610744881.7A CN201610744881A CN106217593B CN 106217593 B CN106217593 B CN 106217593B CN 201610744881 A CN201610744881 A CN 201610744881A CN 106217593 B CN106217593 B CN 106217593B
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/527—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement by delivering the materials on a rotating drum, e.g. a sieve drum, from which the materials are picked up by a felt
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Abstract
The invention provides a copying machine for producing calcium silicate boards, which comprises a net cage, a blanket, a couch roll, a guide roll, a breast roll, a forming roll and a net barrel, wherein the net barrel comprises a rotating main shaft, a support frame, a support net and a filter screen; wherein the supporting net includes first supporting net, second supporting net and third supporting net from inside to outside in proper order, first supporting net the second supporting net with the mesh interval of third supporting net sets up, just first supporting net the second supporting net with the area of the mesh of third supporting net reduces in proper order. The shoveling machine for producing the calcium silicate board adopts a novel structure of multiple layers of supporting nets, and the multiple layers of supporting nets can provide supporting force for the material layers attached to the filter screens, so that the material layers are prevented from being uneven.
Description
Technical Field
The invention relates to the field of production of calcium silicate boards, in particular to a copying machine used in the production of calcium silicate boards.
Background
The calcium silicate board is a green environment-friendly building board which is prepared by taking a calcium material, a siliceous material and reinforcing fibers as main raw materials through pulp flowing or pulp making molding and autoclaved curing, has the excellent performances of high strength, light weight, moisture resistance, mildew resistance, moth resistance, fire resistance and the like, and is stable in performance and small in deformation. The calcium silicate board is widely applied to the building engineering of developed countries in the world due to the excellent material performance, the application range is wider and wider, and the calcium silicate board is gradually developed to become one of the leading materials of the boards in the building field.
The calcium silicate board is generally formed by pulp flowing or copying, and the copying forming is generally performed by a copying machine. But the problems of uneven plate blanks and holes are easy to occur when the shoveling machine is used.
Therefore, it is an urgent technical problem to provide a machine for taking rice with good forming effect.
Disclosure of Invention
Based on the defects, the invention provides a novel copying machine for producing calcium silicate boards.
The invention adopts the following technical scheme:
a copying machine for calcium silicate board production comprises a net cage, a blanket, a couch roll, a guide roll, a breast roll, a forming roll and a net barrel, wherein the net barrel comprises a rotating main shaft, a support frame, a support net and a filter screen, the support frame is fixed on the rotating main shaft, the support net is fixed on the support frame, and the filter screen is covered and fixed on the support net;
wherein the supporting net includes first supporting net, second supporting net and third supporting net from inside to outside in proper order, first supporting net the second supporting net with the mesh interval of third supporting net sets up, just first supporting net the second supporting net with the area of the mesh of third supporting net reduces in proper order.
Wherein the first and third support meshes are made of a rigid material and the second support mesh is made of an elastic material.
The supporting frames are uniformly fixed on the rotating main shaft.
The net drum comprises a plurality of supporting frames, and the distance between each supporting frame and the center of the rotating main shaft is greater than 30% of the length of the whole net drum.
Wherein the ratio of the length to the diameter of the net cylinder is 4-7: 1.
Wherein the mesh number of the filter screen is 80-120 meshes.
Wherein a non-woven fabric layer covering the whole third supporting net is arranged between the filter screen and the third supporting net.
Wherein the difference between the solution height inside the net drum and the solution height in the net box is 40 to 70 percent of the diameter of the net drum.
The support frame comprises a plurality of connecting rods, and the connecting rods are uniformly fixed on the rotating main shaft.
The connecting rods are arc-shaped, and the end parts of two adjacent connecting rods connected with the rotating main shaft are overlapped.
Wherein, a mist water spraying device is arranged above the net cylinder, and the pressure of the mist water spraying device is 0.5-1.5 Mpa.
The invention has the beneficial effects that: the shoveling machine for producing the calcium silicate board adopts a new structure of multiple layers of supporting nets, and the multiple layers of supporting nets can provide supporting force for the material layers attached to the filter screens, so that the material layers are prevented from being uneven; meanwhile, the problem of holes caused by small adhesive force of the material layer on the filter screen can be avoided under the combined action of the supporting force of the multiple layers of supporting nets.
Drawings
FIG. 1 is a general schematic view of one embodiment of a beater for the production of calcium silicate boards in accordance with the present invention;
FIG. 2 is a general schematic view of one embodiment of the mesh cartridge of FIG. 1;
FIG. 3 is a schematic partial cross-sectional view of a mesh cylinder;
fig. 4 is a schematic structural view of another embodiment of the net drum.
Detailed Description
The present invention will be described in detail below with reference to examples and the accompanying drawings. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, the invention provides a shoveling machine for producing calcium silicate boards, which comprises a net cage 100, a felt 200, a couch roll 300, a guide roll 400, a breast roll 500, a forming roll 600 and a net drum 700. The prepared grout flows into the net cage 100 through a chute, the liquid level of the grout submerges a certain position of the net cylinder 700, the blanket 200 is arranged on the net cylinder 700, the couch roll 300 is arranged on the blanket 200, when the blanket 200 moves, friction force can drive the net cylinder 700 and the couch roll 300 to rotate, when the grout in the net cage 100 contacts with the net cylinder 700, because the liquid level in the net cylinder is lower than the liquid level in the net box, pressure difference exists between the inside and the outside of the net cylinder, the grout in the net box 100 can enter the net cylinder under the action of the filter screen on the surface of the net cylinder, only water can enter the net cylinder under the action of the filter screen on the surface of the net cylinder, a thin grout layer is formed on the surface of the net cylinder, because air holes exist on the filter screen of the net cylinder, air cannot penetrate through the blanket and the couch roll closely, when the grout layer on the net cylinder is compressed by the blanket and the couch roll, a part of water on the material layer on the net cylinder can lose and be absorbed on the blanket under the action of negative pressure, the blanket ceaselessly moves, the thin slurry layer on the net barrel can continuously absorb the blanket to complete continuous production, the material layer on the blanket enters a space between the forming roller and the breast roller after being dehydrated, the material layer is dehydrated again under the action of the forming roller and the breast roller, the forming roller is absorbed under the action of negative pressure, the forming roller continuously rotates, and when the thickness of a material blank on the forming roller reaches the required thickness, the forming roller automatically pulls the blank machine to enter the next procedure. Through the process, the material layer is initially formed on the net drum, so the quality of the slurry layer formed by the net drum is related to the subsequent blank forming quality. In practice it has been found that the pulp layer formed on the wire cylinder often shows uneven thickness and holes. During the process of taking, the slurry flows from the outside of the net cylinder to the inside of the net cylinder, the slurry is blocked by the filter screen in the flowing process, only water can enter the inside of the net cylinder, the slurry is equivalent to filtering and dewatering, so that a thin material layer is formed on the surface of the net cylinder, and the material layer is transmitted to the blanket in the process of rotating along with the net cylinder.
We carefully analyzed the stress conditions of the material layer, and the forces simultaneously applied to the material layer include: the material layer is pressed to the static pressure of the net drum; the centrifugal force which is generated by the rotation of the net cylinder and enables the material layer to leave the net cylinder; the gravity of the material layer is also included, and the material layer also generates buoyancy when contacting with the liquid level; the force after the combination of these forces is the adhesion of the material layer to the net drum. In combination with the above forces, it is believed that increasing the static pressure without changing the size of the mesh cylinder is a viable method.
In order to increase the static pressure, the net drum structure is improved. Referring to fig. 2 and 3, the net drum 700 includes a rotation main shaft 710, a support frame 720, a support net 730, and a filter net 740, the support frame 720 is fixed to the rotation main shaft 710, the support net 730 is fixed to the support frame 720, and the filter net 740 is covered and fixed to the support net 730. Referring to fig. 3, the supporting net 730 sequentially includes a first supporting net 731, a second supporting net 732 and a third supporting net 733 from inside to outside, the first supporting net 731 contacts the supporting frame 720, and the third supporting net 733 contacts the filter screen 740; the meshes of the first supporting net 731, the second supporting net 732 and the third supporting net 733 are arranged at intervals, that is, the net wires of the three supporting nets are not overlapped, so that the arrangement can ensure better supporting effect; the areas of the meshes of the first supporting net 731, the second supporting net 732, and the third supporting net 733 are sequentially reduced. The mesh area of third supporting net is minimum, and the filter screen of making that like this can be better can not influence the filter effect of filter screen simultaneously. This embodiment is multilayer structure with the supporting network setting to increased the net section of thick bamboo and to the static pressure on bed, reduced the offsetting effect of supporting network to the holding power on bed to static pressure. Meanwhile, due to the fact that the multiple layers of supporting nets are arranged, the supporting force of the supporting nets on the filter screen under the combined action of the supporting nets is uniform, and therefore the hole phenomenon is avoided.
Further, the first supporting net 731 and the third supporting net 733 are made of a rigid material, and the second supporting net 732 is made of an elastic material. The second supporting net is made of elastic material, so that a part of centrifugal force can be counteracted.
Preferably, referring to fig. 2, the plurality of support frames 720 are provided, and the plurality of support frames 720 are uniformly fixed on the rotating main shaft 710. Referring to fig. 2, each support frame is composed of a plurality of connecting rods connected with the rotating main shaft, in the embodiment, a plurality of support frames are arranged in the net drum, and the support frames are uniformly fixed on the rotating main shaft side by side. The support frames are arranged to ensure the manufacturing effect on the filter screen, so that the material layer is further ensured to be even, and the phenomenon of material layer collapse can not occur.
Preferably, as another embodiment, in this embodiment, the number of the supporting frames 720 is multiple, and the distance between all the supporting frames and the central position of the rotating main shaft is greater than 30% of the length of the whole net drum. That is, no support frame is arranged in the distance range of 20% of the left side and the right side of the center of the rotating main shaft.
Further, the ratio of the length to the diameter of the net cylinder 700 is 4-7: 1. Generally, in order to increase the linear speed of the net drum, the diameter of the net drum should be increased, but the larger diameter of the net drum brings power and other factors, and the embodiment defines the ratio of the length to the diameter, and reduces the rotating force of the net drum under the condition of ensuring the linear speed of the net drum.
Furthermore, the mesh number of the filter screen 740 is 40-60 meshes. The mesh number of the filter screen in the embodiment is larger, but the three layers of support screens are arranged below the filter screen, so that the quality of the material layer can be ensured.
Preferably, in order to further ensure the quality of the material layer, a non-woven fabric layer covering the whole third supporting net is further disposed between the filtering net 740 and the third supporting net 733 in this embodiment. Set up the filter effect that the non-woven fabrics layer can not influence the filter screen, can also increase the life of filter screen simultaneously.
Further, in order to increase the linear velocity of the net drum, the present embodiment sets the difference between the height of the solution inside the net drum and the height of the liquid level in the net box to be 40% to 70% of the diameter of the net drum.
Referring to fig. 2, the support frame includes a plurality of connecting rods, and the connecting rods are uniformly fixed on the rotating main shaft. The connecting rod in this embodiment is of a straight line type
Further, referring to fig. 4, the connecting rods 721 are arc-shaped, wherein two adjacent connecting rods 721 coincide with the ends of the main rotating shaft 710. The arc-shaped connecting rod is beneficial to the rotation of the net drum, and the service life of the net drum is long.
Preferably, as another improvement, referring to fig. 2, a mist spraying device 800 is further disposed above the net drum 700, and the pressure of the mist spraying device 800 is 0.5 to 1.5 Mpa. The arrangement position of the mist water spraying equipment is located in the middle position above the net drum. The purpose of setting up vaporific water jet equipment makes the bed of material of spreading on the filter screen more even, can also wash some impurity simultaneously.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A copying machine for calcium silicate board production comprises a net cage, a blanket, a couch roll, a guide roll, a breast roll and a forming roll, and is characterized by further comprising a net barrel, wherein the net barrel comprises a rotating main shaft, a support frame, a support net and a filter screen, the support frame is fixed on the rotating main shaft, the support net is fixed on the support frame, and the filter screen is covered and fixed on the support net;
the supporting net sequentially comprises a first supporting net, a second supporting net and a third supporting net from inside to outside, wherein meshes of the first supporting net, the second supporting net and the third supporting net are arranged at intervals, and the areas of the meshes of the first supporting net, the second supporting net and the third supporting net are sequentially reduced; the first support net and the third support net are made of rigid materials, and the second support net is made of elastic materials; the supporting frames are multiple and are uniformly fixed on the rotating main shaft.
2. A copying machine for calcium silicate board production as claimed in claim 1, wherein the number of the supporting frames is plural, and the distance between all the supporting frames and the center position of the rotating main shaft is greater than 30% of the length of the whole net drum.
3. A copying machine for calcium silicate board production as claimed in claim 1, wherein the ratio of the length to the diameter of said net cylinder is 4-7: 1.
4. The machine of claim 1, wherein the mesh number of the screen is 80-120 mesh.
5. A machine as claimed in claim 4, wherein a non-woven fabric layer is provided between said screen and said third support screen to cover the entire third support screen.
6. A copying machine for the production of calcium silicate boards as claimed in claim 1, wherein the supporting frame comprises a plurality of connecting rods, and the connecting rods are uniformly fixed on the rotating main shaft.
7. A machine of claim 6, wherein said connecting rods are arc-shaped, and the ends of two adjacent connecting rods, which are connected to the main shaft, coincide.
8. A machine of any one of claims 1 to 7, wherein a mist water spraying device is further provided above the mesh cylinder, and the pressure of the mist water spraying device is 0.5-1.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744881.7A CN106217593B (en) | 2016-08-29 | 2016-08-29 | Machine of fetching of calcium silicate board production usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744881.7A CN106217593B (en) | 2016-08-29 | 2016-08-29 | Machine of fetching of calcium silicate board production usefulness |
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| Publication Number | Publication Date |
|---|---|
| CN106217593A CN106217593A (en) | 2016-12-14 |
| CN106217593B true CN106217593B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610744881.7A Active CN106217593B (en) | 2016-08-29 | 2016-08-29 | Machine of fetching of calcium silicate board production usefulness |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107434372A (en) * | 2017-06-29 | 2017-12-05 | 河北卓达建材研究院有限公司 | Copy and take shaping alkali-activated carbonatite flyash alkaline residue decorative plate of outer wall and preparation method thereof |
| CN109206056A (en) * | 2017-06-29 | 2019-01-15 | 河北卓达建材研究院有限公司 | A method of for making decorative plate of outer wall |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2568386Y (en) * | 2002-09-24 | 2003-08-27 | 莱州祥云防火隔热材料有限公司 | Taking, suction straining, rolling make-up appts. for calcium silicate insulating fireproof board |
| US20070155272A1 (en) * | 2005-12-30 | 2007-07-05 | Thomas Baumgartner | Felt for forming fiber cement articles having stretch-resistant yarns |
| CN202727085U (en) * | 2012-04-27 | 2013-02-13 | 武汉建筑材料工业设计研究院有限公司 | Net cage copying-taking plate molding machine |
| CN202727066U (en) * | 2012-09-13 | 2013-02-13 | 张珣 | Slurry flowing type online movable forming machine |
| CN203944222U (en) * | 2014-05-09 | 2014-11-19 | 新乡市胜达过滤净化技术有限公司 | A kind of high-strength sintered screen pack |
| CN206085287U (en) * | 2016-08-29 | 2017-04-12 | 台荣建材(湖州)有限公司 | Calcium silicate board production usefulness copy machine of getting |
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Effective date of registration: 20220617 Address after: Room 1402, 14th floor, Zhongxin business building, 1155 Taihu Road, South Taihu New District, Huzhou City, Zhejiang Province, 313000 Applicant after: HUZHOU PINCHUANG INCUBATOR Co.,Ltd. Address before: 313000 Hongqiao Town, Changxing County, Huzhou City, Zhejiang Province Applicant before: TERALONG BUILDING MATERIAL (HUZHOU) CO.,LTD. |
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