CN116394486B - SPC floor covering equipment and SPC floor production process - Google Patents
SPC floor covering equipment and SPC floor production processInfo
- Publication number
- CN116394486B CN116394486B CN202310351226.5A CN202310351226A CN116394486B CN 116394486 B CN116394486 B CN 116394486B CN 202310351226 A CN202310351226 A CN 202310351226A CN 116394486 B CN116394486 B CN 116394486B
- Authority
- CN
- China
- Prior art keywords
- film
- film coating
- sheet
- embossing
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
本发明公开一种石塑地板覆膜设备，包括：架体；架体上沿板材加工方向依次设置有覆膜组件和压纹组件；覆膜组件在板材表面以两侧向中部覆膜方式对板材覆膜处理；压纹组件对覆膜后的板材以冷进冷出方式压纹处理。通过覆膜组件对板材以两侧向中部或以中部向两侧方式完成覆膜，压纹组件对覆膜后的板材冷进冷出的热压工艺压纹处理，在冷却时以中部向四周逐步冷却使得片材的中部先冷却收紧回缩，使得四周向上翘起利用预热对片材的四周进行热压处理，防止片材四周热压不均衡导致四周分层翘边现象发生。本发明还公开了一种石塑地板的生产工艺。
The present invention discloses a film coating equipment for stone plastic floor, comprising: a frame; a film coating component and an embossing component are sequentially arranged on the frame along the processing direction of the plate; the film coating component films the plate surface from both sides to the middle; the embossing component embosses the film coated plate in a cold-in-cold-out manner. The film coating component films the plate from both sides to the middle or from the middle to both sides, and the embossing component embosses the film coated plate in a cold-in-cold-out hot pressing process. During cooling, the plate is gradually cooled from the middle to the surroundings, so that the middle of the sheet is cooled, tightened and shrunk first, so that the surroundings are warped upwards, and the surroundings of the sheet are hot-pressed by preheating to prevent the occurrence of layered and warped edges around the sheet due to uneven hot pressing around the sheet. The present invention also discloses a production process for stone plastic floor.
Description
Technical Field
The invention relates to the technical field of stone plastic floor laminating equipment and a stone plastic floor production process.
Background
The existing floor structure at least comprises a substrate layer and a decorative film on the surface, wherein the decorative film is mostly coated on the surface of the substrate layer by adopting a thermosetting film material, and the substrate layer of the stone-plastic floor is mainly prepared from PVC resin, calcium powder and the like serving as raw materials. The existing stone plastic floor film is generally of a smooth roller film coating structure, the smooth roller film coating structure (CN 106393933A, CN208646084U and the like) is easy to generate a decorative film feeding deviation phenomenon during film coating, due to the deviation problem, a deviation correcting component is additionally arranged at a corresponding position on a film coating machine to correct a decorative film feeding position in the prior art, for example, a surface film sticking device for stone plastic floor production disclosed by CN216914832U comprises a supporting frame, a first film placing roller, a pressing wheel, a tensioning part, an auxiliary wheel, a top tightening wheel and a second film placing roller are sequentially arranged at the upper end of the supporting frame from left to right, the tensioning part comprises a tensioning wheel and an integrating wheel which are arranged up and down, a limit wheel is further arranged at one side of the integrating wheel, deviation correcting devices are respectively arranged between the tensioning part and the auxiliary wheel and the top tightening wheel, and the second film placing roller, and side laminating devices are alternately arranged between the first film placing roller, the pressing wheel and the tensioning part. According to the technology, through the deviation correcting device and the side edge pressing device, effective pressing of the covering films at the two corners of the stone plastic floor is completed, and meanwhile, reasonable deviation correction can be carried out on the stone plastic floor. However, the side part of the sheet after the sheet is extruded cannot be effectively and linearly ensured, so that the film coating effect of the surface of the sheet cannot be ensured through the deviation correcting device and the side edge pressing device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a stone plastic floor laminating device and a stone plastic floor production process, wherein a laminating component is used for laminating plates from two sides to the middle or from the middle to two sides, an embossing component is used for embossing the laminated plates by a hot-pressing process of cold in and cold out, and the middle of the sheet is gradually cooled from the middle to the periphery during cooling so as to be firstly cooled, tightened and retracted, so that the periphery of the sheet is tilted upwards to be hot-pressed by preheating, and the phenomenon of layering and edge tilting around caused by unbalanced hot pressing around the sheet is prevented.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A stone plastic floor film laminating device comprises a frame body;
a film covering component and an embossing component are sequentially arranged on the frame body along the plate processing direction;
the film coating component coats the plate on the surface of the plate in a mode of coating films from two sides to the middle;
the embossing assembly performs embossing treatment on the coated plate in a cold inlet and cold outlet mode.
The film coating treatment is carried out on the sheet material which is extruded and formed and finished by the extruder through the film coating component, the film coating treatment is finished in a mode of two sides to the middle part during film coating, the feeding deviation effect of the decorative film can be prevented by utilizing the scheme, the consistency of the feeding position of the decorative film is always ensured, the technical bias that the folds are easily caused by the film coating of the two sides in the middle part in the past can be overcome by adopting the mode of coating the films of the two sides in the middle part, the decorative film is divided into two sections by the bottom of the flexible horizontal sealing piece, the length of the decorative film of the subsequent film is ensured, the length change is not caused by the rear coating of the middle part in the time of the subsequent middle part film coating, and the air which is easy to exist during film coating is overflowed before the film coating is prevented by adopting the mode of coating the two sides to the middle part, so that the folds are overcome.
The hot pressing technology of cold inlet and cold outlet is adopted for embossing, the hot pressing structure is adopted for hot pressing and embossing of the laminated sheet, the sheet after hot pressing and embossing is gradually cooled from the middle part to the periphery through the cooling structure, so that the middle part of the sheet is firstly cooled, tightened and retracted, the periphery of the sheet is upwards tilted to perform hot pressing treatment again by utilizing the hot pressing structure above the preheating fit, and the phenomenon of periphery layering and edge tilting caused by unbalanced hot pressing around the sheet is prevented.
The above embodiment is improved by the following steps, the film covering assembly comprises a first film covering area for covering films on two ends of the front surface of the board, a second film covering area for covering films on the middle of the front surface of the board, the first film covering area covers the board before the second film covering area, and a lifting structure for lifting the middle area of the decorative film is arranged at the second film covering area.
The following improvements are made on the basis of the above embodiments, and the film covering component comprises a fixing structure arranged on a frame body;
the flexible horizontal sealing element and the flexible film pressing element are fixedly arranged on the fixed structure, and two ends of the flexible horizontal sealing element and the flexible film pressing element are sealed and adhered to form a film covering area I;
The middle part of the flexible film pressing piece bulges backwards, and a film covering area II is enclosed by the middle part of the flexible film pressing piece and the flexible horizontal sealing piece;
The flexible film pressing piece, the flexible horizontal sealing piece and the decorative film are enclosed to form a lifting structure, a negative pressure structure is arranged on a fixed structure at the lifting structure, and the lifting structure is provided with the negative pressure structure to adsorb and lift the decorative film or expel air through the flexible film pressing piece under the working condition.
The embossing assembly comprises a containing structure for containing the laminated plates, a hot pressing structure for cooling the contained plates, the containing structure is used for containing the laminated plates, and the hot pressing structure is used for carrying out subsection hot pressing texture treatment on the tops of the contained plates.
The improvement is made on the basis of the embodiment, the hot pressing structure comprises a hot pressing plate which is arranged on one side of the frame body and moves relative to the holding structure, a heating structure for heating the plate and a cooling structure for sequentially retracting from the middle to the periphery after the plate is hot-pressed are embedded in the hot pressing plate, the cooling direction of the cooling structure is gradually cooled from the middle to the periphery after the hot-pressing texture is formed, and the plate can gradually retract from the middle to the periphery and drive the periphery to be upwarped so as to match with the heating structure to finish further hot pressing in the cooling process.
The improvement is made on the basis of the embodiment, the containing structure comprises a containing body arranged on one side of the frame body, and an auxiliary heating structure is arranged on the side part of the containing body.
The following improvements are made on the basis of the above embodiment, the holding structure is rectangular, and the height of the middle area is 1-2 mm higher than that of the surrounding areas.
The following improvements are made on the basis of the embodiment, and the laminating equipment further comprises a cutting assembly arranged between the laminating assembly and the embossing assembly, a conveying assembly arranged between the output end of the extruder and the input end of the embossing assembly, and a transfer assembly for transferring the sheet material subjected to the laminating treatment to a containing structure for hot pressing treatment.
The production process of the stone plastic floor adopts the laminating equipment, and comprises the following process steps:
1) Extrusion molding, namely carrying out melt mixing on the mixed raw materials through an extruder, extruding and molding through a die, and carrying out light surface treatment on a plurality of groups of smooth rollers to obtain a surface finishing sheet;
2) The film coating step, wherein the finishing sheet is pulled to a film coating station through a traction system, and the extruded sheet is subjected to film coating treatment in a mode of two side-to-side middle parts through a film coating component, namely, the film coating at two ends of the front surface of a pair of sheets in a film coating region and the film coating at the middle part of the front surface of a pair of sheets in a film coating region II are adopted, and the negative pressure structure work in the film coating region II is used for adsorbing and lifting the decorative film at the film coating region II;
3) Cutting and embossing, namely cutting the laminated sheet material to a fixed length through a cutting assembly, conveying the cut sheet material into a containing structure through a transfer assembly, embossing the sheet material in a cold inlet and cold outlet mode through a hot pressing structure, and gradually cooling the sheet material from the middle part to the periphery through a cooling structure after embossing;
4) Slicing, slotting and packaging, namely slicing the embossed sheet by a slicer, slotting the periphery of the sheet by the slotting machine, carrying out dust-free treatment on the sliced sheet and the slotting, and finally carrying out unified packaging treatment on the slotted sheet by a packaging machine.
Compared with the prior art, the invention has the advantages that the film coating treatment is carried out on the sheet extruded and formed and finished by the extruder through the film coating component, the film coating treatment is finished in a two-side middle part mode during film coating, the feeding deviation effect of the decorative film can be prevented by utilizing the scheme, the consistent feeding position of the decorative film is always ensured, the technical bias that the film is easily folded when the film is coated from the two sides to the two sides in the middle part can be overcome, the decorative film is separated into two sections by the bottom of the flexible horizontal sealing piece, the length of the decorative film of the subsequent film is ensured, the length change of the area of the two side films can not be caused by the middle part after the film coating during the subsequent middle part film coating, the air easily existing during film coating can be prevented from overflowing before the film coating, and the technical bias is prevented from being generated by adopting the two-side middle film coating mode. The hot pressing technology of cold inlet and cold outlet is adopted for embossing, the hot pressing structure is adopted for hot pressing and embossing of the laminated sheet, the sheet after hot pressing and embossing is gradually cooled from the middle part to the periphery through the cooling structure, so that the middle part of the sheet is firstly cooled, tightened and retracted, the periphery of the sheet is upwards tilted to perform hot pressing treatment again by utilizing the hot pressing structure above the preheating fit, and the phenomenon of periphery layering and edge tilting caused by unbalanced hot pressing around the sheet is prevented.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the entire structure of the embossing assembly of the present invention.
Fig. 3 is a diagram showing a heating structure of the inside of the heating plate of the present invention.
Fig. 4 is a positional relationship diagram of a heating structure and a cooling structure inside a heating plate of the present invention.
Fig. 5 is a schematic view of the overall structure of the membrane module of the present invention.
FIG. 6 is a graph showing the connection relationship between a flexible horizontal seal member and a flexible membrane pressing member in a membrane module according to the present invention.
Fig. 7 is a diagram of the positional relationship of the embossing assembly and the transfer assembly of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment 1 as shown in fig. 1 to 7, a stone plastic floor film laminating apparatus includes a frame 10, and a film laminating assembly and an embossing assembly sequentially arranged on the frame 10 along a plate processing direction.
The film coating component coats the plate on the surface of the plate in a mode of coating films from two sides to the middle;
the film covering assembly comprises a first film covering area for covering films on two ends of the front surface of the board, a second film covering area for covering films on the middle of the front surface of the board, and a lifting structure for lifting the middle area of the decorative film.
The film covering assembly comprises a fixing structure 20 arranged on a frame body 10, wherein a flexible horizontal sealing piece 21 and a flexible film pressing piece 22 are fixedly arranged on the fixing structure 20, two ends of the flexible horizontal sealing piece 21 and two ends of the flexible film pressing piece 22 are sealed and adhered to each other to form a film covering area I, the middle part of the flexible film pressing piece 22 bulges backwards, the middle part of the flexible film pressing piece 22 and the flexible horizontal sealing piece 21 are enclosed to form a film covering area II, the flexible film pressing piece 22, the flexible horizontal sealing piece 21 and the decorative film are enclosed to form a lifting structure, a negative pressure structure 23 is arranged on the fixing structure 20 at the lifting structure, and the negative pressure structure 23 is used for adsorbing and lifting the decorative film or expelling air through the flexible film pressing piece 22 under working conditions. The decorative film is adsorbed and lifted by the negative pressure structure 23, so that the bottom of the flexible film pressing piece 22 can be pressed downwards, the decorative film can be tightly covered on the surface of a plate, the decorative film can be separated by the flexible horizontal sealing piece 21, the subsequent lengths of the decorative film in the first film covering area and the second film covering area can be ensured or ensured by the separation, the decorative film on two sides can be immediately processed by the first film covering area after passing through the flexible horizontal sealing piece 21, meanwhile, the two ends of the flexible film pressing piece 22 are pressed downwards, at the moment, the negative pressure structure 23 positioned in the middle can adsorb the decorative film on the second film covering area to lift, but the lifted distance is basically maintained within a 0.1-0.5 mm interval, the front air discharge can be ensured, and the decorative film deflection can be prevented.
The film coating treatment is carried out on the sheet material which is extruded and formed and finished by the extruder through the film coating component, the film coating treatment is finished in a mode of two sides to the middle part during film coating, the feeding deviation effect of the decorative film can be prevented by utilizing the scheme, the consistency of the feeding position of the decorative film is always ensured, the technical bias that the folds are easily caused by the film coating of the two sides in the middle part in the past can be overcome by adopting the mode of coating the films of the two sides in the middle part, the decorative film is divided into two sections by the bottom of the flexible horizontal sealing piece, the length of the decorative film of the subsequent film is ensured, the length change is not caused by the rear coating of the middle part in the time of the subsequent middle part film coating, and the air which is easy to exist during film coating is overflowed before the film coating is prevented by adopting the mode of coating the two sides to the middle part, so that the folds are overcome.
The embossing assembly performs embossing treatment on the coated plate in a cold inlet and cold outlet mode.
The embossing assembly comprises a containing structure 24 for containing the laminated plate, the containing structure 24 comprises a containing body 242 arranged on one side of the frame body 10, an auxiliary heating structure 241 is arranged on the side portion of the containing body 242, the containing structure 24 is rectangular, and the height of the middle area is 1-2 mm higher than that of the surrounding area. The embossing assembly further comprises a hot pressing structure 25 for cooling the contained plate, the hot pressing structure 25 comprises a hot pressing plate 251 which is arranged on one side of the frame body 10 and moves up and down relative to the containing structure 24, a cylinder or an oil cylinder purchased by the inventor is used as a power source, a heating structure 252 for heating the plate and a cooling structure 253 for sequentially retracting from the middle to the periphery after the plate is hot pressed are embedded in the hot pressing plate 251, the cooling direction of the cooling structure 253 is gradually cooled from the middle to the periphery after the hot pressing texture, the plate can gradually retract from the middle to the periphery in the cooling process and drive the surrounding areas to be tilted up so as to match with the heating structure 252 to complete further hot pressing, the containing structure 24 is used for containing the coated plate, and the hot pressing structure 25 is used for carrying the segmented hot pressing texture treatment on the top of the plate. After the plate enters the holding structure 24, the 25 lower pressing plates of the hot pressing structure and the like are heated and gradually pressurized to finish hot pressing embossing treatment, the auxiliary pressing structure 241 is used for synchronously heating the side parts of the plate in the hot pressing process, so that the phenomenon that the plate cannot be layered easily in the later stage of high-efficiency hot pressing is prevented from being finished due to low temperature of the side parts of the plate, the plate after hot pressing is gradually cooled from the middle part to the periphery by the cooling structure 253, the plate in the middle part area firstly retracts and drives the periphery to upwarp, the periphery of the plate is further hot pressed by the preheating of the top hot pressing plate, the interlayer bonding capacity of the plate, particularly the interlayer bonding capacity of the periphery area, is ensured, and the interlayer bonding strength is increased to 4.3-4.5 MPa from the original 2.1-2.4 MPa.
The hot pressing technology of cold inlet and cold outlet is adopted for embossing, the hot pressing structure is adopted for hot pressing and embossing of the laminated sheet, the sheet after hot pressing and embossing is gradually cooled from the middle part to the periphery through the cooling structure, so that the middle part of the sheet is firstly cooled, tightened and retracted, the periphery of the sheet is upwards tilted to perform hot pressing treatment again by utilizing the hot pressing structure above the preheating fit, and the phenomenon of periphery layering and edge tilting caused by unbalanced hot pressing around the sheet is prevented.
Embodiment 2, as shown in fig. 1, the following modifications are made on the basis of the above embodiment, and the laminating apparatus further includes a cutting assembly 30 disposed between the laminating assembly and the embossing assembly, a conveying assembly 40 disposed between the output end of the extruder and the input end of the embossing assembly, and a transferring assembly 50 for transferring the sheet material after the lamination to the placement structure 24 for hot pressing. The cutting assembly 30 cuts the coated plate to facilitate subsequent embossing, the conveying assembly 40 can complete the coating of the plate during conveying, and the conveying assembly transfers the plate to the containing structure 25 and performs hot pressing embossing in a cold-in-cold-out mode.
The production process of the stone plastic floor adopts the laminating equipment in the embodiment, and comprises the following process steps:
1) Extrusion molding, namely carrying out melt mixing on the mixed raw materials through an extruder, extruding and molding through a die, and carrying out light surface treatment on a plurality of groups of smooth rollers to obtain a surface finishing sheet;
2) Film coating, namely, stretching the finishing sheet to a film coating station through a traction system, and coating the extruded sheet in a mode of two sides to the middle through a film coating assembly, wherein the decorative film at the second position of the film coating area is adsorbed and lifted by the negative pressure structure 23 during film coating in the second position of the film coating area through the films coated at the two ends of the front surface of the first pair of sheets in the film coating area and the films coated at the middle of the front surface of the second pair of sheets in the film coating area;
3) Cutting and embossing, namely cutting the coated sheet material to a fixed length through a cutting assembly 30, conveying the cut sheet material into a containing structure 24 through a transfer assembly 50, embossing the sheet material in a cold-in and cold-out mode through a hot-pressing structure 25, and gradually cooling the sheet material from the middle to the periphery through a cooling structure 253 after the embossing;
4) Slicing, slotting and packaging, namely slicing the embossed sheet by a slicer, slotting the periphery of the sheet by the slotting machine, carrying out dust-free treatment on the sliced sheet and the slotting, and finally carrying out unified packaging treatment on the slotted sheet by a packaging machine.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the invention concept are equivalent to or changed in accordance with the invention, and the invention is covered in the protection scope of the invention.
Claims (7)
1. The stone plastic floor laminating equipment is characterized by comprising a frame body (10);
a film covering component and an embossing component are sequentially arranged on the frame body (10) along the plate processing direction;
the film coating component coats the plate on the surface of the plate in a mode of coating films from two sides to the middle;
the embossing assembly performs embossing treatment on the coated plate in a cold inlet and cold outlet mode;
the film covering assembly comprises a first film covering area for covering films on two ends of the front surface of the board, a second film covering area for covering films on the middle part of the front surface of the board, wherein the first film covering area is used for covering the decorative film on the board before the second film covering area, and a lifting structure for lifting the middle area of the decorative film is arranged at the second film covering area;
the film covering assembly comprises a fixing structure (20) arranged on the frame body (10);
A flexible horizontal sealing element (21) and a flexible film pressing element (22) are fixedly arranged on the fixed structure (20), and two ends of the flexible horizontal sealing element (21) and the flexible film pressing element (22) are sealed and adhered to form a film covering area I;
The middle part of the flexible film pressing piece (22) bulges backwards, and a second film covering area is enclosed by the middle part of the flexible film pressing piece (22) and the flexible horizontal sealing piece (21);
The flexible film pressing piece (22), the flexible horizontal sealing piece (21) and the decorative film are enclosed to form a lifting structure, a negative pressure structure (23) is arranged on a fixed structure (20) at the lifting structure, and the negative pressure structure (23) is used for adsorbing and lifting the decorative film or expelling air through the flexible film pressing piece (22) under the working condition of the lifting structure.
2. The stone-plastic floor laminating equipment according to claim 1, wherein the embossing assembly comprises a containing structure (24) for containing the laminated board, a hot pressing structure (25) for cooling in and cooling out the contained board, the containing structure (24) is used for containing the laminated board, and the hot pressing structure (25) is used for carrying out segmented hot pressing texture treatment on the top of the contained board.
3. The stone-plastic floor laminating equipment according to claim 2, wherein the hot-pressing structure (25) comprises a hot-pressing plate (251) which is arranged on one side of the frame body (10) and moves relative to the containing structure (24), a heating structure (252) for heating the board and a cooling structure (253) for sequentially retracting from the middle to the periphery after the board is hot-pressed are embedded in the hot-pressing plate (251), the cooling direction of the cooling structure (253) is gradually cooled from the middle to the periphery after the hot-pressing texture, and the board can gradually retract from the middle to the periphery and drive the periphery to be upwarped during the cooling process so as to be matched with the heating structure (252) to finish further hot-pressing.
4. A stone-plastic floor covering apparatus as claimed in claim 3, characterized in that the holding structure (24) comprises a holding body (242) mounted on one side of the frame body (10), and the side of the holding body (242) is provided with an auxiliary heating structure (241).
5. The stone-plastic floor laminating apparatus according to claim 4, wherein the holding structure (24) is rectangular and the height of the middle area is 1-2 mm higher than the height of the peripheral area.
6. A stone-plastic flooring laminating apparatus according to claim 3, further comprising a cutting assembly (30) disposed between the laminating assembly and the embossing assembly, a conveying assembly (40) disposed between the extruder output and the embossing assembly input, and a transfer assembly (50) for transferring the laminated sheet material to the holding structure (24) for autoclave treatment.
7. A process for producing a stone-plastic floor by using the laminating equipment as claimed in claim 6, wherein the process comprises the following steps:
1) Extrusion molding, namely carrying out melt mixing on the mixed raw materials through an extruder, extruding and molding through a die, and carrying out light surface treatment on a plurality of groups of smooth rollers to obtain a surface finishing sheet;
2) The film coating, namely, the finishing sheet is pulled to a film coating station through a traction system, and the extruded sheet is subjected to film coating treatment in a mode of two sides towards the middle part through a film coating component, namely, the film coating at two ends of the front surface of a pair of sheets in a film coating area and the film coating at the middle part of the front surface of a pair of sheets in a film coating area II are adopted, and a negative pressure structure (23) works to absorb and lift the decorative film at the film coating area II during film coating in the film coating area II;
3) Cutting and embossing, namely cutting the coated sheet material to a fixed length through a cutting assembly (30), conveying the cut sheet material into a containing structure (24) through a transfer assembly (50), embossing the sheet material in a cold-in and cold-out mode through a hot-pressing structure (25), and gradually cooling the sheet material from the middle part to the periphery through a cooling structure (253) after embossing;
4) Slicing, slotting and packaging, namely slicing the embossed sheet by a slicer, slotting the periphery of the sheet by the slotting machine, carrying out dust-free treatment on the sliced sheet and the slotting, and finally carrying out unified packaging treatment on the slotted sheet by a packaging machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310351226.5A CN116394486B (en) | 2023-04-04 | 2023-04-04 | SPC floor covering equipment and SPC floor production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310351226.5A CN116394486B (en) | 2023-04-04 | 2023-04-04 | SPC floor covering equipment and SPC floor production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116394486A CN116394486A (en) | 2023-07-07 |
| CN116394486B true CN116394486B (en) | 2025-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310351226.5A Active CN116394486B (en) | 2023-04-04 | 2023-04-04 | SPC floor covering equipment and SPC floor production process |
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| CN116654361B (en) * | 2023-08-02 | 2023-10-03 | 江苏欧港昌盛装饰材料有限公司 | Packaging film production line for floor processing based on visual monitoring |
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| CN103273718A (en) * | 2013-05-10 | 2013-09-04 | 安徽洁滤环保科技有限公司 | Hot-pressing compound device for producing membrane covered filter material |
| CN108656628A (en) * | 2018-03-30 | 2018-10-16 | 叶金吉 | Carton overlay film process equipment |
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| CN108859092A (en) * | 2018-08-09 | 2018-11-23 | 张家港市九鸿印染机械有限公司 | Stone moulds floor tile automatic coating and embosses production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273718A (en) * | 2013-05-10 | 2013-09-04 | 安徽洁滤环保科技有限公司 | Hot-pressing compound device for producing membrane covered filter material |
| CN108656628A (en) * | 2018-03-30 | 2018-10-16 | 叶金吉 | Carton overlay film process equipment |
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