CN112428379A - Multi-layer molded door panel molding device and process thereof - Google Patents
Multi-layer molded door panel molding device and process thereof Download PDFInfo
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- CN112428379A CN112428379A CN202011273406.9A CN202011273406A CN112428379A CN 112428379 A CN112428379 A CN 112428379A CN 202011273406 A CN202011273406 A CN 202011273406A CN 112428379 A CN112428379 A CN 112428379A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
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Abstract
The invention discloses a molding device and a process for a multilayer molded door panel, wherein the molding device comprises a rack, a waste gas collecting mechanism I, a synchronous closing mechanism, a support plate, a waste gas collecting mechanism II, a mold, a main recycling pipeline and a waste gas adsorption mechanism; the waste gas collecting mechanism I and the synchronous closing mechanism are positioned on two sides of the rack 1, and the synchronous closing mechanism is distributed on two sides of the waste gas collecting mechanism I; the mould is fixed on the support plate; the waste gas collecting mechanism II is positioned at two ends of the support plate and is fixedly connected with the rack; the main recovery pipeline is positioned above the rack and is connected with the waste gas collecting mechanism I, the waste gas collecting mechanism II and the waste gas adsorption mechanism; the frame bears waste gas and collects mechanism I, synchronous closing mechanism, support plate, waste gas collection mechanism II, mould, recovery trunk line, waste gas adsorption apparatus structure. The invention can timely and completely treat the waste gas overflowing during the mold opening of the mold and simultaneously ensure the continuous and stable mold.
Description
Technical Field
The invention belongs to the technical field of panel hot-press forming, and particularly relates to a multi-layer molded door panel molding device and a process thereof.
Background
The panel pattern is generally formed by hot-press molding, and the existing hot-press molding technology of the panel is relatively mature; however, the following problems still exist during the use process;
1) in the prior art, a waste gas recovery device is mostly arranged at the top of a molding mechanism, and the recovery range of waste gas is too wide during mold opening, so that the overflowed waste gas cannot be timely and completely recovered and treated during mold opening, and environmental pollution and personal injury are easily caused;
2) the existing multi-layer panel molding device is lack of an auxiliary guide mechanism during molding and die assembly, and the phenomena of die assembly deviation and the like can occur after the molding device operates for a long time, so that the frequency of scrapping of the molding is too high;
there is a need for a multi-layer molded door panel molding apparatus that solves the above problems.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a multi-layer mould pressing door panel molding device and a process thereof, which can timely and completely treat waste gas overflowing during mold opening and ensure continuous and stable molding.
In order to achieve the purpose, the invention adopts the technical scheme that:
a molding device for a multi-layer molded door panel comprises a rack, a waste gas collecting mechanism I, a synchronous closing mechanism, a support plate, a waste gas collecting mechanism II, a mold, a main recycling pipeline and a waste gas adsorption mechanism; the waste gas collecting mechanism I and the synchronous closing mechanism are positioned on two sides of the rack 1, and the synchronous closing mechanism is distributed on two sides of the waste gas collecting mechanism I; the mould is fixed on the support plate; the waste gas collecting mechanism II is positioned at two ends of the support plate and is fixedly connected with the rack; the main recovery pipeline is positioned above the rack and is connected with the waste gas collecting mechanism I, the waste gas collecting mechanism II and the waste gas adsorption mechanism; the frame bears waste gas and collects mechanism I, synchronous closing mechanism, support plate, waste gas collection mechanism II, mould, recovery trunk line, waste gas adsorption apparatus structure.
Guide rails I are arranged on two sides of the rack; the top of the frame is provided with a top plate, the bottom of the frame is provided with a base, and the base is provided with an oil cylinder;
a plurality of layers of support plates are arranged between the oil cylinder and the top plate; the top shaft end of the oil cylinder is fixedly connected with the bottom layer carrier plate, the top plate is fixedly connected with the top layer carrier plate, and other carrier plates between the oil cylinder and the top plate are movably connected with the synchronous closing mechanism; the periphery of the mold is provided with a fixed block, and the mold passes through the fixed block through a bolt and is fixed on the support plate through a nut matched with the fixed block; the middle of the mould is provided with a modeling pattern, and the modeling pattern is formed by a square picture frame at one end and a long picture frame at the other end.
The periphery of the support plate is provided with a plurality of groups of guide blocks and fixing seats, and meanwhile, one side of the support plate is provided with two groups of oil inlet and outlet pipes which are respectively a first oil outlet pipe, a first oil inlet pipe, a second oil outlet pipe and a second oil inlet pipe; the fixed seat is provided with connecting shafts which are hinged with each other and internal threads; the support plate is movably connected with the guide rail I through the guide block so as to be connected with the rack; a first oil way, a second oil way and a sealing layer are arranged in the carrier plate, the sealing layer respectively wraps the first oil way and the second oil way for sealing, and partitions are arranged on the first oil way and the second oil way; the first oil path takes a square strip frame in the modeling pattern as a leading trend and is provided with a first oil inlet and a first oil outlet; the first oil inlet and the first oil outlet are respectively connected with a first oil inlet pipe and a first oil outlet pipe; the first oil way firstly enters the carrier plate through a straight pipeline, then turns to the direction through a partition, turns to the direction along the shape of a square picture frame through the straight pipeline, forms a pipeline in a square direction, and finally is discharged through the straight pipeline through the partition; the second oil path takes the long strip frame in the modeling pattern as a leading trend, and is provided with a second oil outlet and a second oil inlet right below the modeling pattern, and the second oil inlet and the second oil outlet are respectively connected with a second oil inlet pipe and a second oil outlet pipe; the second oil path direction structure is the same as the first oil path direction structure, firstly, the second oil path direction structure enters the carrier plate through a straight pipeline, then the second oil path direction structure is changed through a partition, then the second oil path direction structure is changed through the straight pipeline along the shape of a square picture frame to form a pipeline with a rectangular direction, and finally the second oil path direction structure is blocked through the partition and discharged through the straight pipeline.
The synchronous closing mechanism comprises a first supporting arm, a second supporting arm, a supporting shaft, a spring and a baffle plate; one end of the first support arm is hinged with the support plate at the top shaft end of the oil cylinder through a fixing seat; one end of the second supporting arm is hinged with the top plate through a fixed seat, and the other end of the second supporting arm is movably connected with one end of the first supporting arm through a rotating shaft; the support shaft penetrates through the second support arm, and threads are arranged at two ends of the support shaft; one end of the supporting shaft is connected with the connecting shaft on the fixed seat through threads so as to be connected with the support plate; the other end is movably connected with a baffle plate through threads; the spring cup joints the back shaft, and spring one end top touches the resistance board, and the second support arm is touched to the other end top.
The waste gas collecting mechanism I comprises a power mechanism, a guide rail II, a fixing frame, a connecting arm, a flexible pipeline and a collecting pipeline; the guide rails II are fixed on two sides of the rack; a plurality of groups of fixed frames are arranged on the guide rail II in an up-and-down manner; connecting arms are arranged on two sides of the fixed frames, and the connecting arms of every two adjacent fixed frames are hinged together; two ends of the fixed frame are movably connected with a guide rail II; two ends of the top fixing frame close to the top plate are fixed on the guide rail II through bolts; flexible pipelines are fixedly arranged between every two adjacent fixed frames and are mutually connected and communicated; the flexible pipeline is provided with a communicating pipe orifice which is connected with the collecting pipeline; the collecting pipeline is made of flexible materials and communicated with the main recovery pipeline; the power mechanism comprises a gear, a motor and a rack; the rack is fixed on the rack and positioned on one side of the guide rail II; the motor is fixed on the fixing frame at the bottommost part and is positioned in the flexible pipeline, and a gear is arranged at the output shaft end of the motor and is meshed with the rack.
The waste gas collecting mechanism II comprises a cover plate, a motor, a first screw rod, a sealing plate and a second screw rod; the cover plates are positioned at two ends of the support plate and fixed on the frame, the cover plates cover two ends of the support plate in a sealing manner, and the top of each cover plate is provided with a pipe orifice connected with the main recovery pipeline; the plate surface of the cover plate is provided with a plurality of material taking ports, and the two sides of the cover plate are provided with a plurality of through grooves corresponding to the number and the positions of the material taking ports; the first screw rods are respectively provided with a group on two sides of the cover plate through fixed seats, and the second screw rods are fixed on the top of the cover plate through the fixed seats; two ends of the first screw rod and the second screw rod are simultaneously provided with conical gears which are meshed with each other; the sealing plate is positioned in the cover plate and covers the closed material taking port, the two ends of the sealing plate are provided with fixing arms which penetrate through the through grooves, and the first screw rods penetrate through the fixing arms and are movably connected with each other through threads; one end of one group of first screw rods is provided with a motor, and the shaft end of the motor is provided with a bevel gear and is meshed with the bevel gear at the shaft end of the first screw rods.
An adsorption pipeline I and an adsorption pipeline II are arranged on the waste gas adsorption mechanism; an access door and an active carbon adsorption plate are arranged on the adsorption pipeline I and the adsorption pipeline II at the same time; the activated carbon adsorption plate is wavy; a diversion plate and an air cylinder are arranged at the intersection of the adsorption pipeline I and the adsorption pipeline II; the turning plate is positioned inside the pipeline, and the cylinder is fixed outside the pipeline; one end of the turning plate is provided with a rotating shaft, one end of the rotating shaft penetrates through the pipeline and is mutually connected through a bearing, and the end part of the rotating shaft is provided with a gear; a toothed plate and a guide rail III are arranged at the top shaft of the cylinder; one end of the toothed plate is fixedly connected with a cylinder top shaft; the guide rail III is fixed on the outer wall of the pipeline; the toothed plate is positioned in the guide rail III and is meshed with the gear on the rotating shaft.
A molding process of a multi-layer molded door panel comprises the following specific steps;
1) treating the water content of the molded door panel under the conditions of constant temperature and constant humidity to uniformly distribute the water in the molded door panel; and the water content is within 7-11.5%, so that the water content of the molded door panel is not changed under the influence of the environment in the pressing process.
2) Sanding the surface of the molded door panel; sanding the surface of the molded door panel by using a sander; the phenomena of edge collapse, sand marks and the like are not required to be produced during sanding; the surface of the compact hardened layer of the molded door panel is removed, so that warping deformation or cracking cannot be generated in the molding process.
3) Placing the panel on a hot-press forming machine for hot-press forming through a feeding and conveying device; the hot pressing temperature is controlled at 160-; the unit pressure of hot pressing is 1.2-1.5 Mpa; the specific implementation is controlled to be 1.4 Mpa; the hot pressing time is between 160 and 200 seconds, and is specifically implemented as 180 seconds; firstly, baking the panel in a hot press for 3-5 minutes, inching the hot press to close by adopting a inching slow method, and inching for 4-5 times until the hot press is completely closed; then, the hot press is inching by adopting a method of inching slowly, the air is discharged for 4-5 times, and the hot press is opened after the full exhaust pressure is zero; the mould closing and mould opening are carried out by adopting a method of inching slowly upwards and inching slowly, so that the phenomena of cracking and deformation during one-step forming are avoided.
4) Maintaining the panel after molding; cooling the plate subjected to hot pressing on a plate frame for 16-18 minutes, and then stacking the plate, wherein the specific implementation is 16 minutes; the stacking height is within 100 +/-10 cm; then placing the mixture in a dark place without wind, stacking the mixture orderly, and naturally curing the mixture for 3 to 5 days.
Compared with the prior art, the invention has the beneficial effects that:
1) the waste gas collecting mechanism I and the waste gas collecting mechanism II are arranged in the mould, the closed moulding device can be surrounded in a large range, and overflowed waste gas can be timely recycled when moulding and mould opening are carried out, so that the environment pollution and the harm to human bodies caused by the overflowed waste gas are avoided;
2) a guide rail I is arranged on the frame; the support plate is provided with a guide block; the support plate is movably connected with the guide rail I through the guide block; the oil blocking cylinder moves up and down along the guide rail I when pushing the support plate; the effect of auxiliary guiding is realized, and the quality problem caused by the phenomenon of mould dislocation between adjacent support plates after long-term hot-pressing molding is avoided;
3) the carrier plate is provided with a first oil way and a second oil way which respectively correspond to the trend of the modeling pattern; the two independent oil paths correspond to two different areas of the modeling pattern; the modeling pattern can be heated uniformly and quickly in time;
4) the waste gas adsorption mechanism is internally provided with an adsorption pipeline I, an adsorption pipeline II and a turning plate, the trend of waste gas can be changed by rotating the turning plate, when activated carbon in the adsorption pipeline I is saturated, the waste gas is turned by the turning plate to enter the adsorption pipeline II, and the activated carbon adsorption plate in the adsorption pipeline I is replaced; in this way, alternating operation ensures continuous operation avoiding interruption of exhaust gas adsorption.
Drawings
FIG. 1 is a schematic structural view of a multi-layer molded door panel molding apparatus of the present invention;
FIG. 2 is a schematic structural view of a waste gas collecting mechanism I in the molding apparatus for a multi-layer molded door panel according to the present invention;
FIG. 3 is a schematic structural view of a carrier plate and a mold in a molding apparatus for a multi-layer molded door panel according to the present invention;
FIG. 4 is a schematic structural view of a first oil passage and a second oil passage in the molding apparatus for a multi-layer molded door panel according to the present invention;
FIG. 5 is a schematic structural view of a synchronous closing mechanism in the multi-layer molded door panel molding apparatus of the present invention;
FIG. 6 is a schematic structural view of a waste gas collecting mechanism II in the molding apparatus for a multi-layer molded door panel according to the present invention;
FIG. 7 is a schematic structural view of an exhaust gas adsorption mechanism in the molding apparatus for a multi-layer molded door panel of the present invention;
FIG. 8 is a schematic structural view of an activated carbon adsorption plate in a molding apparatus for a multi-layer molded door panel according to the present invention;
in the figure: 1. a frame; 11. a base; 12. a top plate; 13. an oil cylinder; 14. a guide rail I; 2. a waste gas collecting mechanism I; 21. a power mechanism; 211. a gear; 212. a rack; 22. a guide rail II; 23. a fixing frame; 24. a connecting arm; 25. a flexible conduit; 251. the pipe orifice is communicated; 26. a collection pipe; 3. a synchronous closing mechanism; 31. a first support arm; 32. a second support arm; 33. a support shaft; 34. a spring; 35. blocking the plate; 4. a carrier plate; 41. a guide block; 42. a fixed seat; 43. a first oil outlet pipe; 44. a first oil inlet pipe; 45. a second oil inlet pipe; 46. a second oil outlet pipe; 47. a first oil passage; 471. a first oil outlet; 472. a first oil inlet; 481. a second oil inlet; 482. a second oil outlet; 48. a second oil passage; 49. a sealing layer; 491. separating; 5. a waste gas collecting mechanism II; 51. a cover plate; 511. a through groove; 512. a material taking port; 52. a motor; 53. a first screw; 54. closing the plate; 541. a fixed arm; 55. a second screw; 6. a mold; 61. modeling a pattern; 62. a fixed block; 7. a main recovery pipeline; 8. an exhaust gas adsorption mechanism; 81. an adsorption pipeline I; 82. an adsorption pipeline II; 83. an access door; 84. a cylinder; 841. a toothed plate; 842. a guide rail III; 85. a direction-changing plate; 851. a rotating shaft; 852. a gear; 86. an activated carbon adsorption plate.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 8.
A multi-layer molded door panel modeling device and a process thereof comprise a rack 1, a waste gas collecting mechanism I2, a synchronous closing mechanism 3, a support plate 4, a waste gas collecting mechanism II 5, a mold 6, a main recovery pipeline 7 and a waste gas adsorption mechanism 8; the waste gas collecting mechanism I2 and the synchronous closing mechanism 3 are positioned on two sides of the rack 1, and the synchronous closing mechanism 3 is distributed on two sides of the waste gas collecting mechanism I2; the mould 6 is fixed on the support plate 4; the waste gas collecting mechanism II 5 is positioned at two ends of the support plate 4 and is fixedly connected with the frame 1; the main recovery pipeline 7 is positioned above the rack 1 and is connected with the waste gas collecting mechanism I2, the waste gas collecting mechanism II 5 and the waste gas adsorption mechanism 8; the frame 1 bears a waste gas collecting mechanism I2, a synchronous closing mechanism 3, a support plate 4, a waste gas collecting mechanism II 5, a mould 6, a recovery main pipeline 7 and a waste gas adsorption mechanism 8.
Guide rails I14 are arranged on two sides of the rack 1; the top of the frame 1 is provided with a top plate 12, the bottom of the frame 1 is provided with a base 11, and the base 11 is provided with an oil cylinder 13.
A multilayer carrier plate 4 is arranged between the oil cylinder 13 and the top plate 12; the top shaft end of the oil cylinder 13 is fixedly connected with the bottom layer carrier plate 4, the top plate 12 is fixedly connected with the top layer carrier plate 4, and other carrier plates 4 between the oil cylinder 13 and the top plate 12 are movably connected with the synchronous closing mechanism 3; the periphery of the die 6 is provided with a fixed block 62, and the die 6 passes through the fixed block 62 through a bolt and is fixed on the carrier plate 4 through a nut; the middle of the mould 6 is provided with a modeling pattern 61, and the modeling pattern 61 is composed of a square picture frame at one end and a long picture frame at the other end.
A plurality of groups of guide blocks 41 and fixed seats 42 are arranged around the carrier plate 4, and two groups of oil inlet and outlet pipes, namely a first oil outlet pipe 43, a first oil inlet pipe 44, a second oil outlet pipe 46 and a second oil inlet pipe 45, are arranged on one side of the carrier plate 4; the fixed seat 42 is provided with connecting shafts which are hinged with each other and is provided with internal threads; the carrier plate 4 is movably connected with the guide rail I14 through the guide block 41 to be connected with the rack 1, the carrier plate 4 is pushed by the oil cylinder 13 to move up and down along the guide rail I14, and the guide rail I14 plays a role in auxiliary guiding;
a first oil path 47, a second oil path 48 and a sealing layer 49 are arranged inside the carrier plate 4, the sealing layer 49 is respectively wrapped on the first oil path 47 and the second oil path 48 for sealing, and partitions 491 are arranged on the first oil path 47 and the second oil path 48 to clearly comb the oil paths and avoid the turbulent flow of heat conducting oil; the first oil path 47 takes a square frame in the modeling pattern 61 as a leading direction, and is provided with a first oil inlet 472 and a first oil outlet 471; the first oil inlet 472 and the first oil outlet 471 are respectively connected with the first oil inlet pipe 44 and the first oil outlet pipe 43; the first oil path 47 firstly enters the carrier plate 4 through a straight pipeline, then turns to the direction through a partition 491, turns to the direction of the straight pipeline along the shape of a square picture frame to form a pipeline in a square direction, and finally is blocked by the partition 491 to be discharged through the straight pipeline; the second oil path 48 takes the rectangular frame in the modeling pattern 61 as a leading direction, and is provided with a second oil outlet 482 and a second oil inlet 481 which are arranged right below the modeling pattern 61, and the second oil inlet 481 and the second oil outlet 482 are respectively connected with the second oil inlet pipe 45 and the second oil outlet pipe 46; the direction structure of the second oil path 48 is the same as that of the first oil path 47, firstly, the second oil path enters the carrier plate 4 through a straight pipeline, then the second oil path is changed in direction through a partition 491, then the second oil path is changed in direction through the straight pipeline along the shape of a square picture frame to form a pipeline with a rectangular direction, and finally the second oil path is blocked by the partition 491 and is discharged through the straight pipeline; the heat cycle is completed by the oil inlet of the oil inlet pipe and the oil outlet of the oil outlet pipe, and the mold 6 and the modeling pattern 61 are heated.
The synchronous closing mechanism 3 comprises a first supporting arm 31, a second supporting arm 32, a supporting shaft 33, a spring 34 and a baffle plate 35; one end of the first support arm 31 is hinged with the support plate 4 at the top shaft end of the oil cylinder 13 through a fixed seat; one end of the second supporting arm 32 is hinged with the top plate 12 through a fixed seat, and the other end of the second supporting arm is movably connected with one end of the first supporting arm 31 through a rotating shaft; the supporting shaft 33 passes through the second supporting arm 32 and is provided with threads at two ends; one end of the supporting shaft 33 is connected with the connecting shaft on the fixed seat through threads so as to be connected with the carrier plate 4; the other end is movably connected with a baffle plate 35 through threads; the spring 34 is sleeved with the support shaft 33, one end of the spring 34 is in contact with the resistance plate 35, and the other end of the spring 34 is in contact with the second support arm 32; when the oil cylinder 13 pushes the carrier plates 4 to close and open the molds, the synchronous closing mechanism 3 controls each layer of the carrier plates 4 to be closed simultaneously, so that the difference of molding quality caused by inconsistent heating time of the molds 6 due to asynchronous closing is avoided; the opening distance of each layer of carrier plates 4 can be adjusted by rotating the support shaft 33 in cooperation with the spring 34.
The waste gas collecting mechanism I2 comprises a power mechanism 21, a guide rail II 22, a fixed frame 23, a connecting arm 24, a flexible pipeline 25 and a collecting pipeline 26; the guide rails II 22 are fixed on two sides of the rack 1; a plurality of groups of fixed frames 23 are arranged on the guide rail II 22 in an up-and-down manner; connecting arms 24 are arranged on two sides of the fixed frame 23, and the connecting arms 24 play a role in supporting the fixed frame 23; the connecting arms 24 of every two adjacent fixed frames 23 are hinged together; two ends of the fixed frame 23 are movably connected with a guide rail II 22; two ends of a top fixing frame 23 close to the top plate 12 are fixed on the guide rail II 22 through bolts; flexible pipelines 25 are fixedly arranged between every two adjacent fixed frames 23 and are mutually connected and communicated; the flexible pipeline 25 is provided with a communicating pipe opening 251, and the communicating pipe opening 251 is connected with the collecting pipeline 26; the collecting pipeline 26 is made of flexible materials and is connected with the main recovery pipeline 7; the power mechanism 21 comprises a gear 211, a motor and a rack 212; the rack 212 is fixed on the rack 1 and positioned on one side of the guide rail II 22; the motor is fixed on the fixing frame 23 at the bottommost part and is positioned in the flexible pipeline 25, a gear 211 is arranged at the output shaft end of the motor and is meshed with a rack 212, when the oil cylinder 13 pushes the support plate 4 to move up and down, the fixing frame 23 is driven to synchronously move up and down along the guide rail II 22 and the support plate 4 by the power provided by the motor, and waste gas enters the recovery main pipeline 7 through the flexible pipeline 25 and the collection pipeline 26 to be recovered and then treated when the mould is opened; the waste gas is prevented from overflowing from the side surface.
The waste gas collecting mechanism II 5 comprises a cover plate 51, a motor 52, a first screw 53, a sealing plate 54 and a second screw 55; the cover plates 51 are positioned at two ends of the carrier plate 4 and fixed on the frame 1, the cover plates 51 cover the two ends of the carrier plate 4 in a closed manner to reduce excessive leakage of waste gas during mold opening, and the top of the cover plates 51 is provided with a pipe orifice connected with the main recovery pipeline 7; the plate surface of the cover plate 51 is provided with a plurality of material taking ports 512, and two sides of the cover plate 51 are provided with a plurality of through grooves 511 corresponding to the number and the positions of the material taking ports 512; the first screw rods 53 are respectively provided with a group on two sides of the cover plate 51 through fixed seats, and the second screw rods 55 are fixed on the top of the cover plate 51 through the fixed seats; the two ends of the first screw 53 and the second screw 55 are simultaneously provided with conical gears and are meshed with each other; the sealing plate 54 is positioned inside the cover plate 51 to cover and seal the material taking port 512, the fixing arm 541 penetrates through the through groove 511 is arranged at two ends of the sealing plate 54, and the first screw 53 penetrates through the fixing arm 541 and is movably connected with the fixing arm 541 through threads; one end of one group of the first screw rods 53 is provided with a motor 52, and the shaft end of the motor 52 is provided with a conical gear and is meshed with the conical gear at the shaft end of the first screw rods 53; the motor 52 provides power to drive the closing plate 54 to move up and down, so that the effect of opening and closing the material taking port 512 is achieved; after the mold is opened, the waste gas is recovered through the waste gas collecting mechanism II 5 and the waste gas collecting mechanism I2, and the blanking plate 54 is driven by the motor 52 to open the material taking port 512 for material changing.
An adsorption pipeline I81 and an adsorption pipeline II 82 are arranged on the waste gas adsorption mechanism 8; an access door 83 and an active carbon adsorption plate 86 are arranged on the adsorption pipeline I81 and the adsorption pipeline II 82; the activated carbon adsorption plate 86 is inserted into the adsorption pipeline I81 and the adsorption pipeline II 82 through the access door 83; the activated carbon adsorption plate 86 is wavy, so that compared with a flat plate, the adsorption area is increased, and the adsorption effect is improved; a direction changing plate 85 and an air cylinder 84 are arranged at the intersection of the adsorption pipeline I81 and the adsorption pipeline II 82; the direction changing plate 85 is positioned inside the pipeline, and the air cylinder 84 is fixed outside the pipeline; one end of the direction changing plate 85 is provided with a rotating shaft 851, one end of the rotating shaft 851 penetrates through a pipeline and is connected with each other through a bearing, and the end part of the rotating shaft 851 is provided with a gear 852; a toothed plate 841 and a guide rail III 842 are arranged at the top shaft of the air cylinder 84; one end of the toothed plate 841 is fixedly connected with the top shaft of the air cylinder 84; the guide rail III 842 is fixed on the outer wall of the pipeline; the tooth plate 841 is positioned in the guide rail III 842 and is meshed with a gear 852 on the rotating shaft 851; the cylinder 84 pushes the toothed plate 841 to slide in the guide rail III 842 so as to drive the direction changing plate 85 to rotate by taking the rotating shaft 851 as the axis; when the activated carbon adsorption plate 86 in the adsorption pipeline I81 is saturated, the cylinder 84 drives the turning plate 85 to rotate to plug the waste gas inlet of the adsorption pipeline I81, the adsorption pipeline II 82 continues to perform adsorption treatment, and meanwhile, the activated carbon adsorption plate 86 in the adsorption pipeline I81 is replaced; continuous and uninterrupted waste gas treatment is realized through the alternate use of the adsorption pipeline I81 and the adsorption pipeline II 82, and the working efficiency is improved.
A molding process of a multi-layer molded door panel comprises the following specific steps;
1) treating the water content of the molded door panel under the conditions of constant temperature and constant humidity to uniformly distribute the water in the molded door panel; and the water content is within 7-11.5%, so that the water content of the molded door panel is not changed under the influence of the environment in the pressing process.
2) Sanding the surface of the molded door panel; sanding the surface of the molded door panel by using a sander; the phenomena of edge collapse, sand marks and the like are not required to be produced during sanding; the surface of the compact hardened layer of the molded door panel is removed, so that warping deformation or cracking cannot be generated in the molding process.
3) Placing the panel on a hot-press forming machine for hot-press forming through a feeding and conveying device; the hot pressing temperature is controlled at 160-; the unit pressure of hot pressing is 1.2-1.5 Mpa; the specific implementation is controlled to be 1.4 Mpa; the hot pressing time is between 160 and 200 seconds, and is specifically implemented as 180 seconds; firstly, baking the panel in a hot press for 3-5 minutes, inching the hot press to close by adopting a inching slow method, and inching for 4-5 times until the hot press is completely closed; then, the hot press is inching by adopting a method of inching slowly, the air is discharged for 3-4 times, and the hot press is opened after the full exhaust pressure is zero; the mould closing and mould opening are carried out by adopting a method of inching slowly upwards and inching slowly, so that the phenomena of cracking and deformation during one-step forming are avoided.
4) Maintaining the panel after molding; cooling the plate subjected to hot pressing on a plate frame for 16-18 minutes, and then stacking the plate, wherein the specific implementation is 16 minutes; the stacking height is within 100 +/-10 cm; then placing the mixture in a dark place without wind, stacking the mixture orderly, and naturally curing the mixture for 3 to 5 days.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (10)
1. A molding device for a multi-layer molded door panel comprises a rack, a waste gas collecting mechanism I, a synchronous closing mechanism, a support plate, a waste gas collecting mechanism II, a mold, a main recycling pipeline and a waste gas adsorption mechanism; the device is characterized in that the waste gas collecting mechanism I and the synchronous closing mechanism are positioned on two sides of the rack, and the synchronous closing mechanism is distributed on two sides of the waste gas collecting mechanism I; the mould is fixed on the support plate; the waste gas collecting mechanism II is positioned at two ends of the support plate and is fixedly connected with the rack; the main recovery pipeline is positioned above the rack and is connected with the waste gas collecting mechanism I, the waste gas collecting mechanism II and the waste gas adsorption mechanism; the frame bears a waste gas collecting mechanism I, a synchronous closing mechanism, a support plate, a waste gas collecting mechanism II, a mould, a main recycling pipeline and a waste gas adsorption mechanism; guide rails I are arranged on two sides of the rack; the top of the frame is provided with a top plate, the bottom of the frame is provided with a base, and the base is provided with an oil cylinder.
2. The apparatus of claim 1, wherein a multi-layer carrier plate is disposed between said ram and said top plate; the top shaft end of the oil cylinder is fixedly connected with the bottom layer carrier plate, the top plate is fixedly connected with the top layer carrier plate, and other carrier plates between the oil cylinder and the top plate are movably connected with the synchronous closing mechanism; the periphery of the mold is provided with a fixed block, and the mold passes through the fixed block through a bolt and is fixed on the support plate through a nut matched with the fixed block; the middle of the mould is provided with a modeling pattern, and the modeling pattern is formed by a square picture frame at one end and a long picture frame at the other end.
3. The molding apparatus for multi-layer molded door panels as claimed in claim 1, wherein the carrier plate has a plurality of sets of guide blocks and fixing seats on the periphery thereof, and two sets of oil inlet and outlet pipes, respectively a first oil outlet pipe, a first oil inlet pipe, a second oil outlet pipe and a second oil inlet pipe, on one side of the carrier plate; the fixed seat is provided with connecting shafts which are hinged with each other and internal threads; the support plate is movably connected with the guide rail I through the guide block so as to be connected with the rack; a first oil way, a second oil way and a sealing layer are arranged in the carrier plate, the sealing layer respectively wraps the first oil way and the second oil way for sealing, and partitions are arranged on the first oil way and the second oil way; the first oil path takes a square strip frame in the modeling pattern as a leading trend and is provided with a first oil inlet and a first oil outlet; the first oil inlet and the first oil outlet are respectively connected with a first oil inlet pipe and a first oil outlet pipe; the first oil way firstly enters the carrier plate through a straight pipeline, then turns to the direction through a partition, turns to the direction along the shape of a square picture frame through the straight pipeline, forms a pipeline in a square direction, and finally is discharged through the straight pipeline through the partition; the second oil path takes the long strip frame in the modeling pattern as a leading trend, and is provided with a second oil outlet and a second oil inlet right below the modeling pattern, and the second oil inlet and the second oil outlet are respectively connected with a second oil inlet pipe and a second oil outlet pipe; the second oil path direction structure is the same as the first oil path direction structure, firstly, the second oil path direction structure enters the carrier plate through a straight pipeline, then the second oil path direction structure is changed through a partition, then the second oil path direction structure is changed through the straight pipeline along the shape of a square picture frame to form a pipeline with a rectangular direction, and finally the second oil path direction structure is blocked through the partition and discharged through the straight pipeline.
4. The apparatus for molding multi-layer molded door skins as claimed in claim 1, wherein said synchronized closing mechanism comprises a first support arm, a second support arm, a support shaft, a spring, a stop plate; one end of the first support arm is hinged with the support plate at the top shaft end of the oil cylinder through a fixing seat; one end of the second supporting arm is hinged with the top plate through a fixed seat, and the other end of the second supporting arm is movably connected with one end of the first supporting arm through a rotating shaft; the support shaft penetrates through the second support arm, and threads are arranged at two ends of the support shaft; one end of the supporting shaft is connected with the connecting shaft on the fixed seat through threads so as to be connected with the support plate; the other end is movably connected with a baffle plate through threads; the spring cup joints the back shaft, and spring one end top touches the resistance board, and the second support arm is touched to the other end top.
5. The molding device for multi-layer molded door panels as claimed in claim 1, wherein said exhaust gas collecting mechanism I comprises a power mechanism, a guide rail II, a fixing frame, a connecting arm, a flexible pipe and a collecting pipe; the guide rails II are fixed on two sides of the rack; a plurality of groups of fixed frames are arranged on the guide rail II in an up-and-down manner; connecting arms are arranged on two sides of the fixed frames, and the connecting arms of every two adjacent fixed frames are hinged together; two ends of the fixed frame are movably connected with a guide rail II; two ends of the top fixing frame close to the top plate are fixed on the guide rail II through bolts; flexible pipelines are fixedly arranged between every two adjacent fixed frames and are mutually connected and communicated; the flexible pipeline is provided with a communicating pipe orifice which is connected with the collecting pipeline; the collecting pipeline is made of flexible materials and communicated with the main recovery pipeline; the power mechanism comprises a gear, a motor and a rack; the rack is fixed on the rack and positioned on one side of the guide rail II; the motor is fixed on the fixing frame at the bottommost part and is positioned in the flexible pipeline, and a gear is arranged at the output shaft end of the motor and is meshed with the rack.
6. The molding apparatus for multi-layer molded door panels as claimed in claim 1, wherein said exhaust gas collecting means II comprises a hood plate, a motor, a first screw, a closing plate, a second screw; the cover plates are positioned at two ends of the support plate and fixed on the frame, the cover plates cover two ends of the support plate in a sealing manner, and the top of each cover plate is provided with a pipe orifice connected with the main recovery pipeline; the plate surface of the cover plate is provided with a plurality of material taking ports, and the two sides of the cover plate are provided with a plurality of through grooves corresponding to the number and the positions of the material taking ports; the first screw rods are respectively provided with a group on two sides of the cover plate through fixed seats, and the second screw rods are fixed on the top of the cover plate through the fixed seats; two ends of the first screw rod and the second screw rod are simultaneously provided with conical gears which are meshed with each other; the sealing plate is positioned in the cover plate and covers the closed material taking port, the two ends of the sealing plate are provided with fixing arms which penetrate through the through grooves, and the first screw rods penetrate through the fixing arms and are movably connected with each other through threads; one end of one group of first screw rods is provided with a motor, and the shaft end of the motor is provided with a bevel gear and is meshed with the bevel gear at the shaft end of the first screw rods.
7. The molding apparatus for multi-layer molded door panels as claimed in claim 1, wherein said exhaust gas adsorption means is provided with an adsorption duct i and an adsorption duct ii; an access door and an active carbon adsorption plate are arranged on the adsorption pipeline I and the adsorption pipeline II at the same time; the activated carbon adsorption plate is wavy; a diversion plate and an air cylinder are arranged at the intersection of the adsorption pipeline I and the adsorption pipeline II; the turning plate is positioned inside the pipeline, and the cylinder is fixed outside the pipeline; one end of the turning plate is provided with a rotating shaft, one end of the rotating shaft penetrates through the pipeline and is mutually connected through a bearing, and the end part of the rotating shaft is provided with a gear; a toothed plate and a guide rail III are arranged at the top shaft of the cylinder; one end of the toothed plate is fixedly connected with a cylinder top shaft; the guide rail III is fixed on the outer wall of the pipeline; the toothed plate is positioned in the guide rail III and is meshed with the gear on the rotating shaft.
8. A molding process of a multi-layer molded door panel is characterized by comprising the following specific steps:
1) treating the water content of the molded door panel under the conditions of constant temperature and constant humidity to uniformly distribute the water in the molded door panel; and the water content is within 7-11.5%;
2) sanding the surface of the molded door panel; sanding the surface of the molded door panel by using a sander; the phenomena of edge collapse, sand marks and the like are not required to be produced during sanding; removing the surface of the compact hardened layer of the molded door panel;
3) placing the panel on a hot-press forming machine for hot-press forming through a feeding and conveying device;
4) and maintaining the panel after molding.
9. The process for molding a multi-layer molded door panel as claimed in claim 1, wherein the hot-pressing temperature of the hot-pressing molding in step 3) is controlled to be 160-175 ℃, the error is ± 3 ℃, and preferably, the temperature is controlled to be 160 ℃; the unit pressure of hot pressing is 1.2-1.5 Mpa; preferably, the pressure is controlled to be 1.4 MPa; the hot pressing time is between 160 and 200 seconds, preferably 180 seconds; firstly, baking the panel in a hot press for 3-5 minutes, inching the hot press to close by adopting a inching slow method, and inching for 4-5 times until the hot press is completely closed; then, the hot press is inching by adopting a method of inching slowly, the air is discharged for 4-5 times, and the hot press is opened after the full exhaust pressure is zero; and (3) carrying out die assembly and die opening by adopting a inching slow-up and inching slow-down method.
10. A process for molding a multi-layer molded door skin as claimed in claim 1, wherein in step 4), the hot-pressed panel is cooled on the panel frame for 16-18 minutes and then palletized, preferably for 16 minutes; the stacking height is within 100 +/-10 cm; then placing the mixture in a dark place without wind, stacking the mixture orderly, and naturally curing the mixture for 3 to 5 days.
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| CN202011273406.9A CN112428379B (en) | 2020-11-13 | 2020-11-13 | Multi-layer molded door panel molding device and process thereof |
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| CN202011273406.9A CN112428379B (en) | 2020-11-13 | 2020-11-13 | Multi-layer molded door panel molding device and process thereof |
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| CN112428379B CN112428379B (en) | 2022-04-08 |
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