CN111300627A - Flow production line for producing building assembled wallboard by superposition method forming die lift molding machine - Google Patents
Flow production line for producing building assembled wallboard by superposition method forming die lift molding machine Download PDFInfo
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- CN111300627A CN111300627A CN202010285211.XA CN202010285211A CN111300627A CN 111300627 A CN111300627 A CN 111300627A CN 202010285211 A CN202010285211 A CN 202010285211A CN 111300627 A CN111300627 A CN 111300627A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000000465 moulding Methods 0.000 title claims abstract description 25
- 239000004570 mortar (masonry) Substances 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material 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
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
- B28B15/005—Machines using pallets co-operating with a bottomless mould; Feeding or discharging means for pallets
-
- 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
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- 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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
- B28B11/0818—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for roughening, profiling, corrugating
-
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0025—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with installation or service material, e.g. tubes for electricity or water
-
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention discloses a flow production line for producing building assembled wallboards by using a superposition method forming die lifting machine, which is characterized in that: the production line adopts an overlap method molding die-lifting machine to simultaneously carry out overlap method production on more than two single assembled wallboards, the conveying and feeding adopts a moving classified conveying and feeding method, and the operation mode of the production line adopts a production line operation mode. The invention realizes the specialized large-scale feeding production and molding with accurate point, time and quantity by adopting a mechanical and automatic moving, classifying, conveying and feeding method. Compared with the current general production process with the same production scale, the method saves more than 70% of productive land and 15 times of productive factory buildings; effectively expands the working face of production operation, greatly improves the mechanical and manual production efficiency, and greatly reduces the production cost. The invention adopts the precise and standardized production of mechanical automatic feeding, and effectively improves the product quality compared with the traditional production forming process.
Description
Technical Field
The invention relates to a flow production line of building assembled wallboards, in particular to a flow production line for producing building assembled wallboards by using an overlap method forming die lifting machine.
Background
The assembly type building is popularized for a short number of years, is more and more accepted and accepted by people, is developed at a rapid pace, and is developed like bamboo shoots in the spring after rain, however, the assembly of the building components of the assembly type building and the production mode of the components are also eight-door, under the technical condition of the existing assembly type building, the assembly construction of the components can be effectively realized by the existing assembly type building mainly on the inner wall and the outer wall of a building enclosure structure, the occupation ratio of the assembly components in the assembly type building is quite large, the production process of the assembly type building is diversified, and the following two production modes are mainly adopted in the existing advanced and relatively commonly applied production mode.
The first is to use movable flat mould and fixed centralized point feeding process to make formation, and its process is characterized by that the concrete member production raw material is fed into the movable flat mould at a fixed centralized point to make formation, then the movable flat mould is moved into the primary curing workshop to make curing, when the member has reached a certain strength, the demoulding is implemented, and the member is delivered into the finished product storehouse, and continuously cured to reach the designed strength, and then the member is delivered out of factory and mounted.
The other method is to adopt a fixed flat die and a movable conveying feeding process for forming, wherein the process comprises the steps of arranging the concrete member forming flat die at a fixed position, then movably conveying the member production raw materials to the fixed position of the forming flat die to feed the materials into the fixed flat die for processing and forming, demoulding and conveying the members to a finished product warehouse for continuous curing after the primary curing of the members reaches a certain strength, and leaving the factory for installation after the designed strength is reached.
The common advantages of the production process of feeding materials at a fixed concentration point of a movable flat die and the production process of feeding materials by movable conveying of the fixed flat die are as follows: firstly, the concrete member processing mode is changed from the traditional production and forming mode of a rough open-air precast yard and a simple mold plus manpower into an industrial and mechanized industrialized production mode; secondly, the high precision standard of the finished size of the molded component is fundamentally ensured through the casting molding and the standard operation of the precision mold, so that the production quality of the component is greatly improved; and thirdly, because the industrial standardized feeding precision is high, the waste of raw materials for production is fundamentally avoided, and the loss of the raw materials for production is greatly reduced compared with the traditional extensive production.
They still have the common disadvantages of: firstly, the land occupation area of the productivity is large, a medium-scale production base is built, and generally 100-plus-200 mu land is occupied; secondly, a large amount of special production molding dies are needed, the production efficiency is low, the equipment investment is large, and the general investment is more than ten million yuan; thirdly, molded products in two production modes are generally transferred secondarily in a production site, and the transfer labor, equipment and energy consumption are huge due to the heavy characteristic of the precast concrete finished products, so that the production cost of the products is greatly higher than that of the molded products in the traditional process; fourthly, the requirement on the area of a productive room is large, and an independent raw material workshop, a forming workshop, a finished product primary curing workshop, a finished product warehouse and the like are required. Therefore, the method has great social and economic benefits for effectively solving the problems.
Disclosure of Invention
The invention aims to provide a flow production line for producing building assembled wallboards by using a superposition method forming die lifting machine, which effectively enlarges the working area of production operation, saves more than 70% of productive land, saves 15 times of productive plants, greatly improves the mechanical and manual production efficiency and greatly reduces the production cost.
The technical scheme adopted by the invention is as follows: the utility model provides an utilize flow production line of superposition method moulded die liter mould machine production building assembled wallboard which characterized in that: the production line adopts an overlap method molding die-lifting machine to simultaneously carry out overlap method production on more than two single assembled wallboards, the conveying and feeding adopts a moving classified conveying and feeding method, and the operation mode of the production line adopts a production line operation mode.
The flow production line can be a single-row unit production line or a double-row unit production line.
The production raw material conveying crane is arranged at the top of the flow production line, and the materials are conveyed and fed into the single forming molds of the production line by the production raw material conveying crane at the top of the production line according to the production process requirements.
The flow production line is provided with a travelling crane channel parallel to the production line and used for transporting production raw materials into or transporting production finished products out by passing vehicles, and the travelling crane channel can be a single-row unit production line arranged on only one side or a single-row unit production line arranged on two sides.
The two ground steel rails are arranged on the ground of the travelling channel of the flow production line and are used for walking production of special equipment, namely the electric flat car.
The technological process of producing large building assembled wall board in the flow production line includes the following steps:
(1) lifting the mold: starting the mold lifting machine of the superposition method forming mold on the flow production line, and mechanically and automatically lifting the fixed side mold and the fixed mold of the superposition method forming mold to the production position with the set height and fixing and positioning the side mold and the fixed mold;
(2) laying an isolation film at the bottom of the plate: after the special feeder for mobile production moves to a set station along the production line through a traffic lane, the isolating film conveying device conveys the isolating film into the forming die for laying;
(3) and (3) fully paving mortar at the bottom of the plate: the mortar conveying pipe reaches the position where mortar is required to be spread and conveys the mortar to the forming die in time according to requirements to spread the mortar at the bottom of the forming die;
(4) laying a steel wire mesh at the bottom of the plate: conveying the steel wire mesh into a forming die by a moving conveying mode to lay a plate bottom steel wire mesh;
(5) installing a steel reinforcement cage: hoisting and conveying the reinforcement cage into a forming die in a moving conveying mode;
(6) filling the core plate: conveying the core filling plate into a forming die in a moving conveying mode and placing and positioning the core filling plate according to requirements;
(7) presetting and embedding a pipeline: conveying preset and embedded pipes required by a forming component into a forming die for installation in a moving conveying mode;
(8) pouring concrete into the plate ribs: the concrete conveying pipe conveys concrete to the plate rib to be vibrated and compacted at the position of the plate rib where the concrete is required to be poured according to requirements;
(9) laying a steel wire mesh on the plate surface: conveying the steel wire mesh into a forming die to arrange a plate surface steel wire mesh in a moving conveying mode;
(10) fully paving mortar on the board surface: the mortar conveying pipe can convey mortar to the forming die to fully pave the plate surface mortar at the position where the mortar is required to be paved as required;
(11) flattening the plate surface: and after the cement mortar of the formed in-mold member reaches proper strength, leveling the plate surface by a plastering machine and napping.
The invention realizes the professional large-scale feeding production and molding of accurate point, on-time and accurate quantity by adopting a mechanical and automatic moving, classifying, conveying and feeding method; the invention adopts the bottomless mold superposition method to produce the assembly type wallboard production line, the production finished products do not need secondary transportation in the field, and the product production, molding, maintenance and storage are effectively realized in three-in-one manner, so that the productive land, the labor consumption and the energy consumption are greatly saved. Compared with the current general production process with the same production scale, the method saves more than 70% of productive land and 15 times of productive factory buildings. Compared with the existing and traditional prefabricated part production process, the production operation working face is effectively expanded, the mechanical and manual production efficiency is greatly improved, and the production cost is greatly reduced. The invention adopts the precise and standardized production of mechanical automatic feeding, and effectively improves the product quality compared with the traditional production forming process.
Drawings
Figure 1 is a plan view of a single row unit production line of the present invention,
figure 2 is a plan view of the twin bank production line of the present invention,
figure 3 is an enlarged view of a portion of figure 2,
figure 4 is a block diagram of a single double-strand assembly line of the present invention,
FIG. 5 is a process flow diagram of the present invention;
in the figure, 1 is a molding machine for an overlay method, 2 is a travelling crane channel, 3 is a ground rail, 4 is a raw material conveying crane, and A, B, C is a station for fixing the molding machine for the molding machine.
Detailed Description
The invention will be further illustrated with reference to specific embodiments and the accompanying drawings:
as can be seen from fig. 1-2, the invention is a flow production line for producing building assembled wallboards by using an overlap method molding die-lift machine, the flow production line adopts the overlap method molding die-lift machine to simultaneously produce more than two single assembled wallboards by an overlap method, the conveying and feeding adopts a moving classified conveying and feeding method, and the operation mode of the production line adopts a flow line operation mode.
The flow production line can be a single-row unit production line or a double-row unit production line.
The production raw material conveying crane is arranged at the top of the flow production line, and the raw materials for producing the large assembled wall boards are movably conveyed and fed into the single forming molds of the production line through the production raw material conveying crane at the top of the production line according to the production process requirements.
The flow production line is provided with a travelling crane channel parallel to the production line and used for transporting production raw materials into or transporting production finished products out by passing vehicles, and the travelling crane channel can be a single-row unit production line arranged on only one side or a single-row unit production line arranged on two sides.
The two ground steel rails are arranged on the ground of the travelling channel of the flow production line and are used for walking production of special equipment, namely the electric flat car.
As can be seen from fig. 3, the process flow for producing the building assembled wallboard by using the invention comprises the following steps:
(1) lifting the mold: starting the mold lifting machine of the superposition method forming mold on the flow production line, and mechanically and automatically lifting the fixed side mold and the fixed mold of the superposition method forming mold to the production position with the set height and fixing and positioning the side mold and the fixed mold;
(2) laying an isolation film at the bottom of the plate: after the special feeder for mobile production moves to a set station along the production line through a traffic lane, the isolating film conveying device conveys the isolating film into the forming die for laying;
(3) and (3) fully paving mortar at the bottom of the plate: the mortar conveying pipe reaches the position where mortar is required to be spread and conveys the mortar to the forming die in time according to requirements to spread the mortar at the bottom of the forming die;
(4) laying a steel wire mesh at the bottom of the plate: conveying the steel wire mesh into a forming die by a moving conveying mode to lay a plate bottom steel wire mesh;
(5) installing a steel reinforcement cage: hoisting and conveying the reinforcement cage into a forming die in a moving conveying mode;
(6) filling the core plate: conveying the core filling plate into a forming die in a moving conveying mode and placing and positioning the core filling plate according to requirements;
(7) presetting and embedding a pipeline: conveying preset and embedded pipes required by a forming component into a forming die for installation in a moving conveying mode;
(8) pouring concrete into the plate ribs: the concrete conveying pipe conveys concrete to the plate rib to be vibrated and compacted at the position of the plate rib where the concrete is required to be poured according to requirements;
(9) laying a steel wire mesh on the plate surface: conveying the steel wire mesh into a forming die to arrange a plate surface steel wire mesh in a moving conveying mode;
(10) fully paving mortar on the board surface: the mortar conveying pipe can convey mortar to the forming die to fully pave the plate surface mortar at the position where the mortar is required to be paved as required;
(11) flattening the plate surface: and after the cement mortar of the formed in-mold member reaches proper strength, leveling the plate surface by a plastering machine and napping.
The production method of the invention adopts a mechanical and automatic moving classified conveying and feeding method to realize the professional mass feeding production and molding with accurate point, time and amount; the invention is a flow production line for producing the building assembled wallboard by a bottomless mold superposition method, the produced finished product does not need secondary transportation in a field, and the product is effectively produced, molded, maintained and stored in three, so that the land, the labor consumption and the energy consumption are greatly saved. Compared with the current general production process with the same production scale, the method saves more than 70% of productive land and 15 times of productive factory buildings. Compared with the existing and traditional prefabricated part production process, the production operation working face is effectively expanded, the mechanical and manual production efficiency is greatly improved, and the production cost is greatly reduced. The invention adopts the precise and standardized production of mechanical automatic feeding, and effectively improves the product quality compared with the traditional production forming process.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an utilize flow production line of superposition method moulded die liter mould machine production building assembled wallboard which characterized in that: the production line adopts an overlap method molding die-lifting machine to simultaneously carry out overlap method production on more than two single assembled wallboards, the conveying and feeding adopts a moving classified conveying and feeding method, and the operation mode of the production line adopts a production line operation mode.
2. The production line for producing the building assembled wallboard by the aid of the superposition method molding die lift molding machine according to claim 1, is characterized in that: the production line is a single-row unit production line or a double-row unit production line.
3. The production line for producing the building assembled wallboard by the aid of the superposition method molding die lift molding machine according to claim 1, is characterized in that: and a production raw material conveying crane is arranged at the top of the production line, and the materials are conveyed and fed into the single forming dies of the production line in a moving mode through the production raw material conveying crane at the top of the production line according to the production process requirements.
4. The production line for producing the building assembled wallboard by the aid of the superposition method molding die lift molding machine according to claim 1, is characterized in that: the production line is provided with a travelling crane channel parallel to the production line and used for transporting production raw materials into or transporting production finished products out by passing vehicles, and the travelling crane channel can be a single-row unit production line arranged on only one side or a single-row unit production line arranged on two sides.
5. The production line for producing the building assembled wallboard by the aid of the superposition method molding die lift molding machine according to claim 1, is characterized in that: two ground steel rails are installed on the ground of a travelling channel of the production line and are used for walking to produce the special equipment electric flat car.
6. The process flow of the production line of the building assembled wallboard by the superposition method molding die-lift machine according to claim 1, characterized by comprising the following steps:
(1) lifting the mold: starting the mold lifting machine of the superposition method forming mold on the flow production line, and mechanically and automatically lifting the fixed side mold and the fixed mold of the superposition method forming mold to the production position with the set height and fixing and positioning the side mold and the fixed mold;
(2) laying an isolation film at the bottom of the plate: after the special feeder for mobile production moves to a set station along the production line through a traffic lane, the isolating film conveying device conveys the isolating film into the forming die for laying;
(3) and (3) fully paving mortar at the bottom of the plate: the mortar conveying pipe reaches the position where mortar is required to be spread and conveys the mortar to the forming die in time according to requirements to spread the mortar at the bottom of the forming die;
(4) laying a steel wire mesh at the bottom of the plate: conveying the steel wire mesh into a forming die by a moving conveying mode to lay a plate bottom steel wire mesh;
(5) installing a steel reinforcement cage: hoisting and conveying the reinforcement cage into a forming die in a moving conveying mode;
(6) filling the core plate: conveying the core filling plate into a forming die in a moving conveying mode and placing and positioning the core filling plate according to requirements;
(7) presetting and embedding a pipeline: conveying preset and embedded pipes required by a forming component into a forming die for installation in a moving conveying mode;
(8) pouring concrete into the plate ribs: the concrete conveying pipe conveys concrete to the plate rib to be vibrated and compacted at the position of the plate rib where the concrete is required to be poured according to requirements;
(9) laying a steel wire mesh on the plate surface: conveying the steel wire mesh into a forming die to arrange a plate surface steel wire mesh in a moving conveying mode;
(10) fully paving mortar on the board surface: the mortar conveying pipe can convey mortar to the forming die to fully pave the plate surface mortar at the position where the mortar is required to be paved as required;
(11) flattening the plate surface: and after the cement mortar of the formed in-mold member reaches proper strength, leveling the plate surface by a plastering machine and napping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285211.XA CN111300627A (en) | 2020-04-13 | 2020-04-13 | Flow production line for producing building assembled wallboard by superposition method forming die lift molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285211.XA CN111300627A (en) | 2020-04-13 | 2020-04-13 | Flow production line for producing building assembled wallboard by superposition method forming die lift molding machine |
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| CN111300627A true CN111300627A (en) | 2020-06-19 |
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| CN202010285211.XA Pending CN111300627A (en) | 2020-04-13 | 2020-04-13 | Flow production line for producing building assembled wallboard by superposition method forming die lift molding machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171194A (en) * | 1977-03-25 | 1979-10-16 | Italiana Prefabbricazione Edile S.P.A. | Plant for the production of concrete elements |
| CN101337399A (en) * | 2008-04-29 | 2009-01-07 | 傅金松 | Whole-course full-automatic quick production line of wall board |
| CN103029213A (en) * | 2012-12-26 | 2013-04-10 | 中南建设（沈阳）建筑产业有限公司 | Production process of automatic assembly line in factory for pre-fabricating and assembling superimposed sheet of integral structure |
| WO2016198239A1 (en) * | 2015-06-08 | 2016-12-15 | Redbloc Beteiligungsgesellschaft M.B.H. | Method for producing prefabricated parts, and layering device for use in such a method |
| CN108748654A (en) * | 2018-08-22 | 2018-11-06 | 仇国辉 | The concrete integrated wall plate addition method produces molding machine and lifting branch mould moulding process |
| CN208179907U (en) * | 2018-04-27 | 2018-12-04 | 有利华建筑预制件（深圳）有限公司 | Precast facade production line |
| CN110936487A (en) * | 2019-10-22 | 2020-03-31 | 中民筑友智能装备科技有限公司 | Novel prefabricated part production system |
-
2020
- 2020-04-13 CN CN202010285211.XA patent/CN111300627A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171194A (en) * | 1977-03-25 | 1979-10-16 | Italiana Prefabbricazione Edile S.P.A. | Plant for the production of concrete elements |
| CN101337399A (en) * | 2008-04-29 | 2009-01-07 | 傅金松 | Whole-course full-automatic quick production line of wall board |
| CN103029213A (en) * | 2012-12-26 | 2013-04-10 | 中南建设（沈阳）建筑产业有限公司 | Production process of automatic assembly line in factory for pre-fabricating and assembling superimposed sheet of integral structure |
| WO2016198239A1 (en) * | 2015-06-08 | 2016-12-15 | Redbloc Beteiligungsgesellschaft M.B.H. | Method for producing prefabricated parts, and layering device for use in such a method |
| CN208179907U (en) * | 2018-04-27 | 2018-12-04 | 有利华建筑预制件（深圳）有限公司 | Precast facade production line |
| CN108748654A (en) * | 2018-08-22 | 2018-11-06 | 仇国辉 | The concrete integrated wall plate addition method produces molding machine and lifting branch mould moulding process |
| CN110936487A (en) * | 2019-10-22 | 2020-03-31 | 中民筑友智能装备科技有限公司 | Novel prefabricated part production system |
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Application publication date: 20200619 |
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