CN213134704U - Aluminum core plate forming device and three-dimensional aluminum core composite board production line - Google Patents
Aluminum core plate forming device and three-dimensional aluminum core composite board production line Download PDFInfo
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- CN213134704U CN213134704U CN202021911525.8U CN202021911525U CN213134704U CN 213134704 U CN213134704 U CN 213134704U CN 202021911525 U CN202021911525 U CN 202021911525U CN 213134704 U CN213134704 U CN 213134704U
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Abstract
The utility model relates to an aluminium core board forming device and three-dimensional aluminium core composite sheet production line, relate to the field of compound aluminium core wallboard, it includes the frame, it is connected with main roll and secondary roller to rotate in the frame, the secondary roller goes up and down to set up in the frame, be provided with in the frame and be used for driving the elevating system that the secondary roller goes up and down and be used for driving main roll and secondary roller synchronous revolution's actuating mechanism, a plurality of archs have evenly been laid to secondary roller cambered surface periphery wall equidistance, the recess of a plurality of and a plurality of protruding grafting adaptation one by one is seted up to main roller cambered surface periphery wall, produce the clearance when protruding and recess cooperation. This application carries out the roll-in shaping to the aluminium veneer under through a plurality of recesses on main roll and the secondary roll and bellied plug-in connection effect, can make the aluminium veneer shaping for the aluminium core board that possesses three-dimensional concave-convex face for three-dimensional aluminium core board has certain resistance to compression and anti bending strength, and can also effectively absorb energy, compares in the honeycomb aluminium core board of tradition, and the aluminium core board manufacturing process that this application was made is simple, and the consumptive material is few, and manufacturing cost is lower.
Description
Technical Field
The application relates to the field of composite aluminum core wallboards, in particular to an aluminum core board forming device and a three-dimensional aluminum core composite board production line.
Background
Along with the continuous upgrading and transformation of building materials, the traditional single core plate is difficult to satisfy the public demand for building plates, and the aluminum core composite board integrates the advantages of various metal curtain wall plates, and has the advantages of excellent plate surface flatness, light weight and high strength, small compression change rate, unique texture, good weather resistance, easy processing, good fireproof performance, high depreciation recovery rate and the like, and meanwhile, the aluminum core inside the aluminum core adopts a unique corner flanging structure or honeycomb structure, so that the bending resistance of the plates is enhanced, the wind pressure resistance and the cyclic load cycle are improved, meanwhile, the aluminum core is further sealed, waterproof, anticorrosive and anti-seepage, and the service life of the plates is prolonged.
The traditional Chinese patent with the patent publication number of CN109435419A provides a three-dimensional composite board production line, which comprises an aluminum honeycomb core layer laminating machine, an aluminum honeycomb core layer stretcher, a preheating box, a first film laminating machine, a first upper film unreeling machine, a first lower film unreeling machine, a first core layer unreeling machine, a three-dimensional core layer forming machine, a first drying box, a panel conveyor, a second upper film unreeling machine, a second film laminating machine, a bottom aluminum unreeling machine, a second lower film unreeling machine, a third film laminating machine, a thermal compound machine, a cooling box, a leveling protective film and film laminating integrated machine, an edge trimmer, a tractor, a cutting machine and a stacker crane which are sequentially arranged, wherein the composite production process integrates the production processes of the aluminum honeycomb boards and the three-dimensional composite boards together, so that the investment cost of equipment is reduced.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: above-mentioned technique adopts aluminium honeycomb core layer stretcher to carry out stretch forming to aluminium veneer and makes it be cellular resistance to compression and the anti bending property in order to strengthen the composite sheet, and is great and also difficult in aluminium core both sides stability tectorial membrane to the consumption of aluminum product, also does not do benefit to simultaneously and controls the thickness of composite sheet, and the cost of its raw and other materials still is difficult to obtain effective control when producing three-dimensional aluminium core composite sheet.
SUMMERY OF THE UTILITY MODEL
In order to improve the cost control problem of raw and other materials when three-dimensional aluminum core composite sheet produces, this application provides an aluminum core board forming device and three-dimensional aluminum core composite sheet production line.
In a first aspect, the present application provides an aluminum core plate forming device, which adopts the following technical scheme:
the utility model provides an aluminium core board forming device, includes the frame, it is connected with home roll and auxiliary roller to rotate in the frame, the auxiliary roller goes up and down to set up in the frame, be provided with in the frame and be used for the drive the elevating system that the auxiliary roller goes up and down, be provided with in the frame and be used for the drive the home roll with the actuating mechanism of auxiliary roller synchronous revolution, a plurality of archs have evenly been laid to auxiliary roller cambered surface periphery wall equidistance, a plurality of and a plurality of have been seted up to home roll cambered surface periphery wall the recess of protruding grafting adaptation one by one, protruding with produce the clearance during the recess cooperation.
By adopting the technical scheme, when the aluminum veneer is subjected to three-dimensional roll forming, the auxiliary roller is driven to move downwards by the lifting mechanism so as to control the distance between the peripheral wall of the cambered surface of the auxiliary roller and the peripheral wall of the cambered surface of the main roller to be a proper value, then the main roller is driven to rotate by the driving mechanism, and then the aluminum veneer is pulled between the main roller and the auxiliary roller, the main roller clamps the aluminum veneer by the splicing connection of a plurality of bulges on the main roller and a plurality of grooves on the auxiliary roller so as to roll press the aluminum veneer into the aluminum core plate with the three-dimensional concave-convex surface and simultaneously drive the aluminum veneer to be transmitted between the main roller and the auxiliary roller, thereby realizing the stable and efficient roll forming of the aluminum veneer by the application, and enabling the aluminum veneer to have the three-dimensional concave-convex surface by the roll forming so that the three-dimensional aluminum core plate has certain compression strength and bending strength and can effectively absorb energy, compared with the traditional honeycomb-shaped aluminum core plate, the material consumption is less, and the manufacturing cost is lower.
Preferably, a plurality of the protrusions in two adjacent rows along the axial direction of the auxiliary roller are arranged in a shape like a Chinese character 'pin'.
By adopting the technical scheme, more bulges can be arranged on the secondary roller, so that the distribution of stress points of the three-dimensional aluminum core plate after roll forming is more dense, and the integral stress performance of the three-dimensional aluminum core plate is improved.
Preferably, the cross section of the protrusion is a regular polygon.
By adopting the technical scheme, the arrangement of the concave surface and the convex surface of the three-dimensional aluminum core plate after roll forming is more compact, and the pressure bearing performance of the two surfaces of the three-dimensional aluminum core plate is stronger.
Preferably, the protrusions are in a trapezoidal table shape, and the lower bottoms of the protrusions are close to the auxiliary roller.
By adopting the technical scheme, the control of the thickness of the three-dimensional aluminum core plate is facilitated, and the internal stress of the aluminum single plate during rolling can be effectively eliminated, so that the overall structural performance of the rolled and formed aluminum core plate is more stable.
Preferably, the edges and corners of the protrusions are provided with chamfers.
By adopting the technical scheme, the contact area between the protrusion and the aluminum core plate is increased when the main roller and the auxiliary roller roll the aluminum core plate, and the phenomenon that the impact load directly exceeds the yield strength limit of the aluminum veneer to influence the structural performance and the service life of the aluminum core plate due to the fact that the instantaneous impact load of the aluminum core plate in the rolling process is overlarge is avoided.
Preferably, a plurality of uninterrupted maximum gaps enclosed between adjacent protrusions are matched with the sizes of the protrusions.
Through adopting above-mentioned technical scheme, the arch and the sunken distribution on its two sides are comparatively even after aluminium core plate roll forming to the resistance to compression and the anti ability of buckling on aluminium core plate two sides are more balanced, do not have positive and negative branch during assembly and use, and are more convenient.
Preferably, a guard rail along the length direction of the main roller is fixedly connected to one side of the frame, which is opposite to the rotation direction of the cambered surface at the upper end of the main roller.
By adopting the technical scheme, if foreign matters enter between the main roller and the auxiliary roller in the process of rotating in opposite directions, the main roller and the auxiliary roller are easy to be blocked, so that great potential safety hazards exist, and the phenomenon can be avoided as far as possible after the protective guard is arranged.
Preferably, the frame is provided with under the home roll along the home roll length direction's brush cleaner, the brush hair of brush cleaner with home roll cambered surface periphery wall butt, the frame in it is provided with along the home roll length direction's collection box to clean the brush below.
Through adopting above-mentioned technical scheme, when main roll and secondary roller roll in the aluminium veneer after the equal tectorial membrane of up and down terminal surface when rotatory, the tectorial membrane of aluminium veneer avris warp the easy back of warping even adhesion in the recess on the main roll, influences the three-dimensional concave and convex face shaping quality after this application to follow-up aluminium veneer roll-in, can sweep out and drop to collecting the box in the recess of main roll broken tectorial membrane as far as possible after setting up the brush cleaner to avoid this phenomenon as far as possible.
In a second aspect, the present application provides a three-dimensional aluminum core composite board production line, which adopts the following technical scheme:
a three-dimensional aluminum core composite board production line comprises the aluminum core board forming device.
Preferably, the device also comprises a preheating box, a first film covering machine, a first upper film unreeling machine, a first lower film unreeling machine, a first core layer unreeling machine, a first drying oven, a second upper film unreeling machine, a second film covering machine, a bottom aluminum unreeling machine, a second lower film unreeling machine and a third film covering machine which are arranged in sequence, and a thermal compound machine, a cooling box, a panel conveyor, a leveling and protecting film covering integrated machine, an edge trimming machine, a traction machine, a cutting machine and a stacking machine which are arranged at the downstream of the first drying oven, wherein the aluminum core plate forming device is arranged at the upstream of the first drying oven.
By adopting the technical scheme, the aluminum single plate is subjected to upper and lower surface film coating by the first film laminating machine and the second film laminating machine, then is rolled into the three-dimensional aluminum core plate by the aluminum core plate forming device, then enters the first drying oven for hot lamination, and then enters the cooling box for cooling and shaping, so that the deformed first upper film and second lower film can be fully attached to the convex surface and concave surface on the upper surface and the lower surface of the aluminum core plate, the aluminum core plate is fully protected as much as possible, and the service life of the aluminum core plate is ensured; and then the panel is conveyed to one side of the aluminum core plate by the panel conveyor to be compounded, then the protective film is coated by the leveling protective film coating all-in-one machine, and then the panel sequentially passes through the edge trimmer, the tractor, the cutting machine and the stacker crane, so that a complete three-dimensional aluminum core composite plate can be produced, the production line is arranged tightly, and the production efficiency is high.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the aluminum single plate passes through the main roller and the secondary roller, the aluminum single plate is subjected to roll forming under the plug connection effect of the grooves and the protrusions, so that the aluminum single plate can be formed into an aluminum core plate with a three-dimensional concave-convex surface, the three-dimensional aluminum core plate has certain compression resistance and bending resistance strength, and can effectively absorb energy;
2. the two adjacent columns of the protrusions in the axial direction of the secondary roller are distributed in a shape like a Chinese character 'pin', so that more protrusions can be arranged on the secondary roller, the distribution of stress points of the three-dimensional aluminum core plate after roll forming is more dense, and the integral stress performance of the three-dimensional aluminum core plate is improved;
3. the broken film adhered to the upper groove of the auxiliary roller can be swept out and dropped into a collection box for collection after the cleaning brush is arranged, so that the influence on the forming quality of the three-dimensional concave-convex surface formed after the subsequent aluminum veneer is rolled can be avoided as much as possible.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;
FIG. 2 is a schematic overall structure diagram of a second embodiment of the present application;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Reference numerals: 1. a frame; 2. a main roller; 3. a secondary roll; 4. a protrusion; 5. a groove; 7. protecting the fence; 8. cleaning with a brush; 9. a collection box; 10. a chute; 11. a slider; 12. a motor; 13. and a hydraulic cylinder.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example one
The embodiment of the application discloses aluminium core board forming device. Referring to fig. 1, aluminium core board forming device includes frame 1, it is connected with main roll 2 and auxiliary roll 3 to rotate in the frame 1, the lifting of auxiliary roll 3 sets up in frame 1, be provided with the elevating system who is used for driving the lifting of auxiliary roll 3 in the frame 1, be provided with the actuating mechanism who is used for driving main roll 2 and auxiliary roll 3 synchronous revolution in the frame 1, a plurality of archs 4 have evenly been laid in 3 cambered surface periphery walls of auxiliary roll equidistance, 2 cambered surface periphery walls of main roll set up a plurality of and the recess 5 of a plurality of 4 grafting adaptations one by one, produce the clearance when protruding 4 and recess 5 cooperate.
Referring to fig. 1, the lifting mechanism comprises two hydraulic cylinders 13 respectively arranged on the upper end surfaces of two frames 1, sliding grooves 10 are vertically formed in the upper end surfaces of two ends of each frame 1 along the length direction of a main roller 2, sliding blocks 11 are slidably connected in the sliding grooves 10 of the frames 1, piston rods of the hydraulic cylinders 13 are fixedly connected with the adjacent sliding blocks 11, and an auxiliary roller 3 is rotatably connected between the two sliding blocks 11; the driving mechanism comprises two motors 12 which are respectively and fixedly connected on the sliding block 11 and the frame 1, wherein the output end of one motor 12 is coaxially and fixedly connected with the auxiliary roller 3, and the output end of the other motor 12 is coaxially and fixedly connected with the main roller 2.
When the aluminum single plate is subjected to three-dimensional roll forming, two hydraulic cylinders 13 are started simultaneously, the hydraulic cylinders 13 drive piston rods thereof to drive the sliding blocks 11 to slide in the sliding grooves 10, so that the auxiliary rollers 3 are driven to move downwards to control the distance between the outer peripheral walls of the cambered surfaces of the auxiliary rollers 3 and the outer peripheral walls of the cambered surfaces of the main rollers 2 to be a proper value, then two motors 12 are started simultaneously, the two motors 12 drive output ends thereof to rotate, so that the main rollers 2 and the auxiliary rollers 3 are driven to synchronously rotate, then the aluminum single plate is pulled between the main rollers 2 and the auxiliary rollers 3, the main rollers 2 and the auxiliary rollers 3 are connected with a plurality of grooves 5 on the auxiliary rollers 3 in an inserting manner through a plurality of protrusions 4 on the main rollers and the auxiliary rollers 3 during rotation so as to clamp the aluminum single plate to roll the aluminum single plate into an aluminum core plate with three-dimensional concave-convex surfaces and drive the aluminum single plate to be transmitted; and make the aluminium veneer possess three-dimensional concave-convex face through roll-in shaping for three-dimensional aluminium core board has certain resistance to compression and anti bending strength, and can also effectively the energy-absorbing, compares in the honeycomb aluminium core board of tradition, and the aluminium core board manufacturing process who makes through this application is simple, and the consumptive material is few, and manufacturing cost is lower.
Referring to fig. 1, a plurality of protrusions 4 are arranged in a shape like a Chinese character pin between two adjacent rows of protrusions 4 along the axial direction of an auxiliary roller 3, the cross sections of the protrusions 4 are regular polygons, the cross sections of the protrusions 4 can be regular triangles, squares, regular pentagons or regular hexagons, etc., the cross sections of the protrusions 4 are squares in the implementation of the application, and the corners of the protrusions 4 are provided with chamfers; the uninterrupted maximum clearance enclosed between a plurality of adjacent protrusions 4 is matched with the size of the protrusions 4.
The plurality of bulges 4 which are distributed in a shape like a Chinese character 'pin' enable more bulges 4 to be arranged on the secondary roller 3, so that the distribution of stress points of the three-dimensional aluminum core plate after roll forming is more dense, and the integral stress performance of the three-dimensional aluminum core plate is improved; the cross section of the protrusion 4 is set to be square, so that the arrangement of the concave surface and the convex surface of the three-dimensional aluminum core plate after roll forming is more compact, and the pressure bearing performance of the two surfaces of the three-dimensional aluminum core plate is stronger.
After the chamfer is arranged at the edge of the protrusion 4, the contact area between the protrusion 4 and the aluminum core plate is increased when the aluminum core plate is rolled by the main roller 2 and the auxiliary roller 3, so that the phenomenon that the impact load directly exceeds the yield strength limit of the aluminum single plate to influence the structural performance and the service life of the aluminum core plate due to the fact that the instantaneous impact load on the aluminum core plate is too large in the rolling process is avoided; set up the clearance between a plurality of adjacent arch 4 into with protruding 4 adaptations for protruding 4 and the sunken distribution on its two sides after aluminium core plate roll forming is comparatively even, thereby the resistance to compression and the anti ability of buckling on aluminium core plate two sides are more balanced, do not have positive and negative branch during assembly and use, and is more convenient.
Referring to fig. 1, a guard rail 7 along the length direction of the main roller 2 is fixedly connected to one side of the frame opposite to the rotation direction of the upper arc surface of the main roller 2. If foreign matters enter between the main roller 2 and the auxiliary roller 3 in the process of rotating in opposite directions, the main roller 2 and the auxiliary roller 3 are easy to be blocked, so that great potential safety hazards exist, and the phenomenon can be avoided as much as possible after the protective guard 7 is arranged.
Referring to fig. 1, a cleaning brush 8 is arranged under a main roller 2 of a frame 1 along the length direction of the main roller 2, the brush hair of the cleaning brush 8 is abutted against the outer circumferential wall of the cambered surface of the main roller 2, and a collecting box 9 is arranged under the cleaning brush 8 of the frame 1 along the length direction of the main roller 2. When main roll 2 and auxiliary roll 3 roll-in the aluminium veneer after the equal tectorial membrane of up-down terminal surface when rotatory, the tectorial membrane of aluminium veneer avris and the attached not firm recess 5 of warping or even adhesion on main roll 2 after warping easily of aluminium veneer, influence this application to the three-dimensional concave-convex surface shaping quality after follow-up aluminium veneer roll-in, can sweep out and drop to collecting box 9 in the recess 5 of main roll 2 with broken tectorial membrane as far as possible after setting up cleaning brush 8 in to avoid this phenomenon as far as possible.
The embodiment of the application also discloses a three-dimensional aluminum core composite board production line, which is not shown in the figure, the three-dimensional aluminum core composite board production line comprises the aluminum core board forming device, and further comprises a preheating box, a first film covering machine, a first upper film unreeling machine, a first lower film unreeling machine, a first core layer unreeling machine, a first drying box, a second upper film unreeling machine, a second film covering machine, a bottom aluminum unreeling machine, a second lower film unreeling machine and a third film covering machine which are sequentially arranged, and a thermal compound machine, a cooling box, a panel conveyor, a leveling protective film and covering integrated machine, an edge trimming machine, a tractor, a cutting machine and a stacking machine which are arranged at the downstream of the first drying box, and the aluminum core board forming device is arranged at the upstream of the first drying box.
The aluminum single plate is coated with films on the upper surface and the lower surface by a first film laminating machine and a second film laminating machine, then rolled into a three-dimensional aluminum core plate by an aluminum core plate forming device, then fed into a first drying oven for hot bonding, and then fed into a cooling box for cooling and shaping, so that the deformed first upper film and second lower film can be fully attached to the convex surface and the concave surface on the upper surface and the lower surface of the aluminum core plate, the aluminum core plate is fully protected as far as possible, and the service life of the aluminum core plate is ensured; the panel conveyor conveys the panel to one side of the aluminum core plate to be compounded, then the protective film is coated by the leveling protective film coating all-in-one machine, and then the panel sequentially passes through the edge trimming machine, the traction machine, the cutting machine and the stacking machine, so that a complete three-dimensional aluminum core composite plate can be produced.
The implementation principle of this application embodiment an aluminium core board forming device and three-dimensional aluminium core composite sheet production line does: when the aluminum veneer is subjected to three-dimensional roll forming, the distance between the outer peripheral wall of the cambered surface of the auxiliary roller 3 and the outer peripheral wall of the cambered surface of the main roller 2 is controlled to be a proper value, then the main roller 2 and the auxiliary roller 3 are driven to synchronously rotate, then the aluminum veneer is pulled between the main roller 2 and the auxiliary roller 3, the main roller 2 clamps the aluminum veneer through the splicing connection of the plurality of bulges 4 on the main roller 2 and the plurality of grooves 5 on the auxiliary roller 3 to roll the aluminum veneer into the aluminum core plate with the three-dimensional concave-convex surface and simultaneously drive the aluminum veneer to be transmitted between the main roller 2 and the auxiliary roller 3, thereby realizing the stable and efficient roll forming of the aluminum veneer by the application, and the aluminum veneer has the three-dimensional concave-convex surface through the roll forming, so that the three-dimensional aluminum core plate has certain compression strength and bending strength and can effectively absorb energy, compared with the traditional honeycomb-shaped aluminum core plate, the aluminum core plate manufactured by, the material consumption is less, and the manufacturing cost is lower.
Example two
The embodiment of the application discloses aluminium core board forming device. Referring to fig. 2 and 3, it is different from the first embodiment in that: the bulge 4 is in a trapezoidal table shape, and the lower bottom of the bulge is close to the auxiliary roller 3. The plate thickness control of the three-dimensional aluminum core plate is facilitated after the arrangement, and meanwhile, the internal stress of the aluminum single plate during rolling can be effectively eliminated, so that the overall structural performance of the rolled and formed aluminum core plate is more stable, and the compression resistance and the bending resistance of the three-dimensional aluminum core plate are ensured as far as possible.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an aluminium core board forming device which characterized in that: including frame (1), it is connected with main roll (2) and auxiliary roll (3) to rotate in frame (1), auxiliary roll (3) go up and down to set up in frame (1), be provided with in frame (1) and be used for the drive the elevating system that auxiliary roll (3) go up and down, be provided with in frame (1) and be used for the drive main roll (2) with auxiliary roll (3) synchronous revolution's actuating mechanism, a plurality of archs (4) have evenly been laid in the equal clearance of auxiliary roll (3) cambered surface periphery wall, main roll (2) cambered surface periphery wall has been seted up a plurality ofly and a plurality of recess (5) of protruding (4) grafting adaptation one by one, protruding (4) with produce the clearance during recess (5) cooperation.
2. The aluminum core forming apparatus of claim 1, wherein: a plurality of the bulges (4) are arranged in a shape like a Chinese character 'pin' between two adjacent rows along the axial direction of the auxiliary roller (3).
3. The aluminum core forming apparatus of claim 2, wherein: the cross section of the bulge (4) is in a regular polygon shape.
4. The aluminum core forming apparatus of claim 2, wherein: the bulges (4) are in a trapezoidal table shape, and the lower bottoms of the bulges are close to the auxiliary roller (3).
5. The aluminum core forming apparatus of claim 1, wherein: the edges and corners of the protrusions (4) are provided with chamfers (6).
6. The aluminum core forming apparatus of claim 1, wherein: the uninterrupted maximum gap enclosed between the adjacent bulges (4) is matched with the size of the bulges (4).
7. The aluminum core forming apparatus of claim 6, wherein: and a protective guard (7) along the length direction of the main roller (2) is fixedly connected to one side of the frame, which is opposite to the rotation direction of the cambered surface at the upper end of the main roller (2).
8. The aluminum core forming apparatus of claim 1, wherein: frame (1) in be provided with under main roll (2) and follow main roll (2) length direction's brush cleaner (8), the brush hair of brush cleaner (8) with main roll (2) cambered surface periphery wall butt, frame (1) in brush cleaner (8) below is provided with the edge main roll (2) length direction's collection box (9).
9. The utility model provides a three-dimensional aluminium core composite sheet production line which characterized in that: comprising an aluminium core forming apparatus according to any one of claims 1 to 8.
10. The three-dimensional aluminum core composite panel production line of claim 9, wherein: the aluminum core plate forming device comprises a preheating box, a first film covering machine, a first upper film unreeling machine, a first lower film unreeling machine, a first core layer unreeling machine, a first drying oven, a second upper film unreeling machine, a second film covering machine, a bottom aluminum unreeling machine, a second lower film unreeling machine and a third film covering machine, and further comprises a thermal compound machine, a cooling box, a panel conveyor, a leveling and protecting film covering integrated machine, an edge trimming machine, a tractor, a cutting machine and a stacking machine which are arranged at the downstream of the first drying oven in sequence, wherein the aluminum core plate forming device is arranged at the upstream of the first drying oven.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113442268A (en) * | 2021-06-17 | 2021-09-28 | 长春市建林教育咨询有限公司 | Production line and application of double-sided fiber mesh cement board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113442268A (en) * | 2021-06-17 | 2021-09-28 | 长春市建林教育咨询有限公司 | Production line and application of double-sided fiber mesh cement board |
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Effective date of registration: 20210721 Address after: 518000 9b Yunsong building, Tairan 8th Road, Futian District, Shenzhen, Guangdong Patentee after: SHENZHEN ARTISTIC BUILDING MATERIALS Co.,Ltd. Address before: No.8, Jinyang Avenue, Yangluo Development Zone, Xinzhou District, Wuhan City, Hubei Province Patentee before: WUHAN MEISHU NEW BUILDING MATERIAL Co.,Ltd. |
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