CN113146801A

CN113146801A - Production equipment and production method of enhanced cement-based foam heat-insulation sound-insulation board

Info

Publication number: CN113146801A
Application number: CN202110564531.3A
Authority: CN
Inventors: 何兰清
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-07-23

Abstract

The invention discloses production equipment and a production method of an enhanced cement-based foam heat-insulation sound-insulation plate, wherein the production equipment comprises a chain plate conveyor and a rectangular open type silica gel mold, and the width of the silica gel mold is arranged along the trend of the chain plate conveyor; the mold bottom of the silica gel mold is detachably and fixedly connected to a flat-top chain plate of a table type chain plate conveyor; and a mold shaping frame is also formed on the flat-top chain plate, surrounds the silica gel mold and is formed by combining the retaining walls protruding outwards from the flat-top chain plate. The production method is implemented on the basis of equipment, and the paste slurry adopts a twice pouring mode. The production equipment has the advantages of reasonable structure, automatic demolding, automatic product conveying by using the belt conveyor, reliable function, simple operation and low labor consumption, and the production method utilizes the characteristics of the equipment, obtains a quick solidification effect by reasonable component distribution ratio, reduces equipment investment, reduces cost, improves production efficiency and ensures product quality.

Description

Production equipment and production method of enhanced cement-based foam heat-insulation sound-insulation board

Technical Field

The invention belongs to the field of interior decoration materials, and particularly relates to production equipment and a production method of an enhanced cement-based foam heat-insulation sound-insulation board.

Background

The reinforced cement-based foam heat-insulating sound-insulating board is a new product which is advocated in recent years for promoting the industrialization of fabricated buildings and has heat-insulating and sound-insulating functions on the ground of building floors, and the production process and equipment of the product mainly comprise the following two types: the first method is that a rigid plastic mould is placed on a conveying line, mortar with main components of desulfurized gypsum, cement and fine aggregate is added with water and stirred by a self-leveling process and then injected into the plastic mould, a reinforced foamed cement insulation board (hereinafter referred to as a substrate) is placed in the mould, the substrate is prevented from floating upwards by a complex flattening process, and the quick-drying and quick-setting properties of the desulfurized gypsum are utilized, and the production is carried out by demoulding in a vibration mode after 10 minutes. The process has the defects that the volume of the desulfurized gypsum is slightly expanded after solidification, and the plastic mould is rigid, so that the demoulding is difficult, the product qualification rate is low, and the manual investment is large. The other method is to place a flexible silica gel mold on a conveying line, carry out grouting by the same grouting process of the first method, place a substrate and carry out a complex flattening process, and adopt a sucker to suck the product for demoulding during demoulding. Both of the above methods have low production efficiency due to the problem of mold release, and the yield per hour is about 500 pieces.

Disclosure of Invention

The invention aims to overcome the defect of difficult demoulding in the production of reinforced cement-based foam heat-insulation sound-insulation boards in the prior art, and provides production equipment of reinforced cement-based foam heat-insulation sound-insulation boards. So as to improve the production efficiency, save the labor and reduce the production cost. The invention also provides a production method of the reinforced cement-based foam heat-insulation sound-insulation board based on the equipment, so as to achieve the aim of reducing the product cost.

In order to achieve the first object, the invention adopts the following technical scheme.

A production device of an enhanced cement-based foam heat-insulation sound-insulation plate comprises a chain plate conveyor and a rectangular open type silica gel mold, wherein the width of the silica gel mold is arranged along the trend of the chain plate conveyor; the mold bottom of the silica gel mold is detachably and fixedly connected to a flat-top chain plate of the desktop chain plate conveyor; still be formed with the mould stock frame on the flat top link joint, the mould stock frame surrounds around the silica gel mould, and the mould stock frame is formed by the outside bellied barricade combination on the flat top link joint.

According to the production equipment adopting the scheme, the silica gel mold is fixedly arranged on the chain plate conveyor to form a line production mode, so that after the chain plate conveyor performs relevant work such as pouring, placing of a base plate and the like, the product is ensured to be solidified at the position of a lower line based on the rapid solidification characteristic of gypsum slurry, the mold is turned downwards by utilizing the reversing and turning motion of the chain plate at the tail end, the top plates of adjacent chain plates are separated by outwards expanding through the chain wheel at the downward turning position of the mold, the width of the mold shaping frame of the combined structure is increased, and the silica gel mold is pulled and deformed, so that the product demolding space is increased; and simultaneously, automatically demoulding by utilizing the gravity action of the self weight of the cured heat-preservation sound-insulation plate and the elastic characteristic of the silica gel mould. The problem that the manpower input that the manual demoulding leads to is big, and product quality is difficult to ensure is eliminated to effectively improve production efficiency, promote the yield, use manpower sparingly, reduction in production cost, and utilize the long-lived characteristics of silica gel mould, prolong the mould and replace the cycle, reduce down time, improve equipment utilization.

Preferably, a belt conveyor is arranged below the chain scraper conveyor. The conveying belt is used for conveying the materials to a packaging station for packaging and packaging, and the manual carrying investment after demolding is saved.

Further preferably, the conveying belt of the belt conveyor is made of PVC material. The belt conveying equipment with the long service life is used fully, the failure rate is reduced, the reliability is ensured, and the production efficiency is improved.

Preferably, the retaining wall is formed by vertical edges of angle steel fixed on the flat-top chain plate. The horizontal edge of the angle steel is lapped with the flat-top chain plate and can be fixed with the chain plate in a welding and screw connection mode, so that the processing convenience is improved, and the manufacturing cost is reduced; the angle steel can be formed by bending a steel plate.

Preferably, the angle steels at the two ends of the flat-top chain plate form end frame edges in the length direction of the mold sizing frame and the silica gel mold, and the frame edge at any end is formed by sequentially arranging at least two angle steels at the end of the flat-top chain plate; and two side frame edges of the mold shaping frame corresponding to the width of the silica gel mold are distributed on the two flat-top chain plates. The chain with the smaller pitch is adopted, the running stability is improved, the product quality is ensured, the interference of adjacent chain plates to the mold can be effectively avoided in the sequential overturning process, the service life of the mold is ensured, no space is provided for the deformation of the silica gel mold, and the demolding reliability is improved.

In order to achieve the second object, the present invention adopts the following technical solutions.

A production method of the reinforced cement-based foam heat-insulation sound-insulation board is implemented on the basis of production equipment for realizing the first purpose of the reinforced cement-based foam heat-insulation sound-insulation board, and comprises the following steps:

step one, casting for the first time: pouring a set amount of gypsum slurry into the silica gel mold;

step two, arranging a substrate: implanting a substrate into the silica gel mold, and partially embedding the substrate into the plaster body of the gypsum slurry and keeping a set distance from the bottom surface of the silica gel mold;

step three, secondary pouring: pouring gypsum slurry into a silica gel mold with a substrate within a set time after the first pouring is finished until the requirement of the total grouting amount is met;

step four, overturning and demolding: after the slurry is solidified, in the turning process that the silica gel mold moves to the tail end of the chain plate conveyor along with the flat-top chain plate, the mold is automatically demolded by utilizing gravity and the elastic deformation characteristic of the silica gel mold.

According to the invention adopting the technical scheme, the production equipment for realizing the first purpose is utilized to carry out streamlined operation on the gypsum board product, and after the slurry is poured and solidified and runs to the tail end of the production line, the mould is turned downwards by utilizing the reversing and turning motion of the chain plate at the tail end, and the mould is automatically demoulded by utilizing the weight of the solidified heat-insulation sound-insulation board and the elastic characteristic of the silica gel mould. And the slurry adopts a twice pouring mode, so that after the slurry is poured for the first time, the substrate is placed, the substrate can be pushed and pressed by hands with force to be partially embedded into the paste, the substrate is loaded by utilizing the increased bearing capacity of the slurry after the slurry is solidified for a short time, the set distance between the substrate and the bottom surface of the mold can be kept, and after the slurry is poured for the second time, the paste poured for the second time is combined together to form a wrapping layer with the set thickness on the periphery of the substrate, so that the structural requirement of the product is met. In the whole process, the basic complex compression operation is not needed, the level is checked through visual inspection only in the base plate implantation process, or the distance between the embedded base plate and the top surface of the mold or a component with a certain fixed height can be measured through a ruler and a tape measure, the complex operation procedures of base plate compression and leveling in the prior art are omitted, the operation is convenient, the efficiency is high, the manual investment is less, and the production cost of products can be effectively reduced.

Preferably, the cast amount of the gypsum slurry is 35 to 65% of the total cast amount in the first casting process by weight or volume. So that the base plates in different can be reliably and stably supported by the slurry paste body poured for the first time, the thickness of the gypsum layer wrapped outside the base plates is uniform after secondary pouring, and the guarantee is provided for the product quality.

Preferably, after each slurry pouring, vibration is also included. The gypsum board is compact, smooth after being poured for the first time, convenient for ensuring basic level through visual inspection, and convenient for substrate level checking operation.

Preferably, the distance between the substrate and the bottom surface of the silica gel mold is indirectly determined by limiting the distance between the top surface of the substrate and the top surface of the cavity wall of the silica gel mold or the top surface of the mold sizing frame. Erecting a measuring datum bar by means of the top surface of the cavity wall of the silica gel mold with constant height or the top surface of the mold shaping frame, measuring the distance between the datum bar and the top surface of the substrate by using a tape measure, a ruler and the like to obtain the thickness of the gypsum layer to be poured on the top surface of the substrate, and obtaining the distance between the substrate and the bottom surface of the silica gel mold by conversion; the method is convenient to operate, accurate in result and good in reliability.

Preferably, the gypsum slurry is formed by adding water to solid materials and stirring, and the ratio of the gypsum slurry to the water is 1: 0.35-0.40 by weight; the solid material consists of gypsum, cement, sand and an auxiliary agent; in the total amount of the solid materials, calculated by weight percentage, the gypsum accounts for 45-55 percent, the cement accounts for 20-25 percent, the auxiliary agent accounts for 7.5 thousandths, and the rest is sand; the auxiliary agent consists of an alkali aqua, latex powder and cellulose ether; in the additive with the proportion of 7.5 per mill, the alkaline water agent accounts for 2 per mill, the latex powder accounts for 5 per mill, and the cellulose ether accounts for 0.5 per mill. The reasonable solid-liquid ratio selection can ensure the viscosity and the specific gravity of the paste, so that the reliable support for the substrate is formed after the first pouring, and the guarantee is provided for ensuring the distance between the substrate and the bottom of the mold; meanwhile, the component proportion in the solid material is reasonably selected, the strength and the service life of the product can be ensured, and particularly, in the gypsum ingredient, through reasonable component configuration and a very small amount of auxiliary agent, the paste body after pouring can be ensured to be quickly solidified under the condition of not adding a retarder commonly used in the prior art, and the time interval from pouring to solidification to a reliable demoulding state of the product is shortened; not only can shorten the length of the chain scraper conveyor of the production line and reduce the equipment investment, but also can effectively improve the production efficiency.

The automatic demolding device has the advantages that the production equipment is reasonable in structure, automatic demolding can be achieved, the belt conveyor is used for automatically conveying products, and the automatic demolding device is reliable in function; the production method utilizes the characteristics of the equipment, is simple to operate, consumes less manpower, obtains a quick solidification effect through reasonable component distribution ratio, reduces equipment investment, reduces cost, improves production efficiency and ensures product quality.

Drawings

FIG. 1 is a schematic view of the structure of a production apparatus in the present invention.

FIG. 2 is a partial plan view of the production apparatus of the present invention.

Fig. 3 is a partial top view of the drag conveyor of the production facility of the present invention.

FIG. 4 is a schematic view showing the positional relationship between the mold and the link plate in the production apparatus of the present invention.

FIG. 5 is a block flow diagram of the production process of the present invention.

Detailed Description

The invention will be further described with reference to the drawings, but the invention is not limited thereby within the scope of the embodiments described.

Embodiment 1, refer to fig. 1, fig. 2, fig. 3, fig. 4, a production apparatus for a reinforced cement-based foam insulation sound-proof plate comprises a chain plate conveyor 1 and a rectangular open type silica gel mold 2, wherein the width of the silica gel mold 2 is arranged along the direction of the chain plate conveyor 1; the mold bottom of the silica gel mold 2 is detachably and fixedly connected to a flat-top chain plate 11 of the desk type chain plate conveyor 1; still be formed with the mould stock frame on the flat top link joint 11, the mould stock frame surrounds around silica gel mould 2, and the mould stock frame is formed by the outside bellied barricade combination on the flat top link joint 11.

Wherein, a belt conveyor 3 is arranged below the chain plate conveyor 1, and a conveying belt of the belt conveyor 3 is made of PVC material. The retaining wall is formed by the vertical edges of angle steel 12 fixed on a flat-top chain plate 11. The angle steels positioned at the two ends of the flat-top chain plate 11 form end frame edges of the mold shaping frame and the silica gel mold 2 in the length direction, and the frame edge at any end is formed by sequentially arranging at least two angle steels positioned at the end part of the flat-top chain plate 11; the two side frame edges of the mold shaping frame corresponding to the width of the silica gel mold 2 are distributed on the two flat-top chain plates 11.

In order to ensure that the flat-top chain plates 11 are turned flexibly, the width of each flat-top chain plate 11 is matched with the pitch of a chain used by the chain plate conveyor 1, and a gap required for turning is reserved between every two adjacent flat-top chain plates 11 and is generally 5-15 mm; the die width setting is selected according to the size of at least two flat-top chain plates 11 connected, and the sprocket diameter is selected according to 3 times of the die width.

Example 2, referring to fig. 5, in combination with fig. 1, fig. 2, fig. 3 and fig. 4, a method for producing a reinforced cement-based foam thermal insulation acoustical panel is implemented based on the reinforced cement-based foam thermal insulation acoustical panel production equipment of example 1, and includes the following steps:

step one, casting for the first time: pouring gypsum slurry with a set amount into the silica gel mold 2 according to the pouring amount which is 35 to 65 percent of the total pouring amount;

secondly, vibrating for the first time: vibrating the poured gypsum slurry by using a vibrating rod until the top surface of the paste is basically flat;

thirdly, arranging a substrate: implanting a substrate 4 of a prefabricated enhanced cement-based foam heat-insulation sound-insulation board into the silica gel mold 2, and partially embedding the substrate 4 into the paste of the gypsum slurry and keeping a set distance from the bottom surface of the silica gel mold 2;

step four, secondary pouring: pouring gypsum slurry into the silica gel mold 2 with the substrate 4 within a set time after the first pouring is finished until the requirement of the total grouting amount is met;

fifthly, vibrating for the first time: after the gypsum slurry is poured, vibrating again by using a vibrating rod until the top surface of the paste body is flat;

sixthly, overturning and demolding: after the slurry is solidified, automatically demolding by utilizing gravity and the elastic deformation characteristic of the silica gel mold 2 in the overturning process that the silica gel mold 2 moves to the tail end of the chain plate conveyor 1 along with the flat-top chain plate 11;

seventhly, carrying products: a belt conveyor 3 below the chain plate conveyor 1 is used for receiving the products and automatically conveying the products to a packing station;

eighth step, packaging and packaging: the products are taken down one by one from the belt conveyor 3, and packaging work such as packaging is finished.

Wherein, in the base plate setting step, the distance between

base plate

4 and 2 bottom surfaces of silica gel mould is confirmed indirectly through injecing the distance between 4 top surfaces of base plate and 2 die cavity wall top surfaces of silica gel mould or mould stock frame top surfaces, specifically can be with the help of the 2 die cavity wall top surfaces of silica gel mould that highly fix is unchangeable, or mould stock frame top surface, erect a measurement datum bar, utilize measuring tape, ruler etc. to measure the distance between datum bar and the base plate top surface, obtain the top surface and wait the gypsum layer thickness of pouring, and obtain the distance between 4 and 2 bottom surfaces of silica gel mould simultaneously through the conversion.

In order to ensure quick demoulding and product strength and service life, the gypsum slurry is formed by adding water into a solid material and stirring, and the ratio of the gypsum slurry to the water is 1: 0.35-0.40 by weight; the solid material consists of gypsum, cement, sand and an auxiliary agent; in the total amount of the solid materials, calculated by weight percentage, the gypsum accounts for 45-55 percent, the cement accounts for 20-25 percent, the auxiliary agent accounts for 7.5 thousandths, and the rest is sand; the auxiliary agent consists of an alkali aqua, latex powder and cellulose ether; in the additive with the proportion of 7.5 per mill, the alkaline water agent accounts for 2 per mill, the latex powder accounts for 5 per mill, and the cellulose ether accounts for 0.5 per mill.

When pouring for the first time, the pouring amount is 40% of the total amount, and the base plate 4 can be embedded in place without excessive labor as shown by the depth position of the die shown by the dotted line in the attached drawing 4, so that the base plate is more convenient to implant, and the physical consumption during manual implantation can be reduced.

In the proportion of the components of the gypsum slurry, the gypsum accounts for 50 percent, the cement accounts for 20 percent and the auxiliary agent accounts for 7.5 thousandths, and under the condition that the rest is sand, the paste can be solidified to a demouldable state within 10 minutes after pouring, and falls on the belt conveyor 3 after demoulding, so that the product cannot be damaged by unfilled corners, cracking and the like. The verification proves that under the conditions that the effective length (the center distance between chain wheels at two ends) of the chain plate conveyor 1 is set according to 80 meters, the width of the silica gel mold 2 is approximately 33CM according to the common specification and the silica gel molds are arranged in a compact mode one by one, the production capacity of the enhanced cement-based foam heat-insulation sound-insulation plate can reach more than 1500 pieces per hour. The production efficiency is more than 3 times of about 500 pieces per hour in the prior art, and the efficiency improvement amplitude reaches more than 2 times.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The production equipment of the reinforced cement-based foam heat-insulation sound-insulation board comprises a chain plate conveyor (1) and a rectangular open type silica gel mold (2), wherein the width of the silica gel mold (2) is arranged along the trend of the chain plate conveyor (1); the device is characterized in that the mold bottom of the silica gel mold (2) is detachably and fixedly connected to a flat-top chain plate (11) of the desk type chain plate conveyor (1); still be formed with the mould stock frame on flat top link joint (11), the mould stock frame surrounds around silica gel mould (2), and the mould stock frame is formed by outside bellied barricade combination on flat top link joint (11).

2. An enhanced cement-based foam insulation and sound insulation board production equipment according to claim 1, wherein a belt conveyor (3) is arranged below the chain scraper conveyor (1).

3. A reinforced cement-based foam insulation and sound insulation board production equipment as claimed in claim 2, wherein the conveying belt of the belt conveyor (3) is made of PVC material.

4. The production equipment of the reinforced cement-based foam heat-insulation sound-insulation board as claimed in any one of claims 1 to 3, wherein the retaining wall is formed by vertical edges of angle steel fixed on a flat-top chain plate (11).

5. The production equipment of the reinforced cement-based foam thermal insulation and sound insulation board as claimed in claim 4, wherein the angle steels at the two ends of the flat top chain plate (11) form end frame edges of the mold shaping frame and the silica gel mold (2) in the length direction, and the frame edge at any end is formed by sequentially arranging at least two angle steels at the end of the flat top chain plate (11); the two side frame edges of the mold shaping frame corresponding to the width of the silica gel mold (2) are distributed on the two flat-top chain plates (11).

6. A production method of a reinforced cement-based foam heat-insulation sound-insulation board is implemented based on the production equipment of any one of claims 1 to 5, and comprises the following steps:

step one, casting for the first time: pouring a set amount of gypsum slurry into the silica gel mold (2);

step two, arranging a substrate: implanting a substrate (4) into the silica gel mold (2), and partially embedding the substrate (4) into the plaster of the gypsum slurry and keeping a set distance from the bottom surface of the silica gel mold (2);

step three, secondary pouring: pouring gypsum slurry into the silica gel mold (2) with the substrate (4) within a set time after the first pouring is finished until the requirement of the total grouting amount is met;

step four, overturning and demolding: after the slurry is solidified, in the overturning process that the silica gel mold (2) moves to the tail end of the chain plate conveyor (1) along with the flat-top chain plate (11), the silica gel mold (2) is automatically demolded by utilizing gravity and the elastic deformation characteristic of the silica gel mold.

7. The method of claim 6, wherein the gypsum slurry is poured in an amount of 35 to 65% by weight or volume of the total amount poured during the first pouring.

8. The method for producing the reinforced cement-based foam insulation and sound insulation board as recited in claim 6, further comprising vibrating after each pouring of the slurry.

9. A production method of an enhanced cement-based foam thermal insulation acoustical board according to claim 6, characterized in that the distance between the base plate (4) and the bottom surface of the silica gel mold (2) is indirectly determined by defining the distance between the top surface of the base plate (4) and the top surface of the cavity wall of the silica gel mold (2) or the top surface of the mold sizing frame.

10. The production method of the reinforced cement-based foam thermal insulation and sound insulation board as claimed in claim 6, wherein the gypsum slurry is formed by adding water to solid materials and stirring, and the ratio of the gypsum slurry to the water is 1: 0.35-0.40 by weight; the solid material consists of gypsum, cement, sand and an auxiliary agent; in the total amount of the solid materials, calculated by weight percentage, the gypsum accounts for 45-55 percent, the cement accounts for 20-25 percent, the auxiliary agent accounts for 7.5 thousandths, and the rest is sand; the auxiliary agent consists of an alkali aqua, latex powder and cellulose ether; in the additive with the proportion of 7.5 per mill, the alkaline water agent accounts for 2 per mill, the latex powder accounts for 5 per mill, and the cellulose ether accounts for 0.5 per mill.