Insect-repellent and heat-preservation SPC floor and preparation process thereof

Abstract

The application discloses a kind of drive insect-keeping type SPC floor, to provide a kind of drive insect-keeping type SPC floor with multiple functions, it includes heat preservation layer, substrate layer, color film layer, wear-resistant layer and UV layer, the top of substrate layer is fixedly connected with the bottom of wear-resistant layer by color film layer, the top of wear-resistant layer is fixedly connected with UV layer, the bottom of substrate layer is fixedly connected with heat preservation layer, it is characterized in that, substrate layer includes PVC five type resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, ACR impact modifier and citronella fiber.The beneficial effects of the application are: the citronella fiber is added to the substrate layer of SPC floor in the application, and the bottom of polyurethane plate and substrate layer is fixedly connected together, so that the SPC floor can play a better anti-mosquito effect, and also has certain heat preservation, waterproof and moisture-proof function, so as to achieve the purpose of having multiple functions.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of SPC floor, in particular to a pest-repelling and heat-preserving SPC floor and a preparation process thereof. BACKGROUND

[0002] SPC floor is a new type of floor, also known as stone plastic floor. In fact, its full name is stone plastic composite floor. It is a composite board made of calcium powder and thermoplastic polymer material after stirring and high-temperature extrusion. This board has the properties and characteristics of wood and plastic, realizing some features of the floor, so it is called SPC floor.

[0003] Chinese patent CN113045245A was published on June 29, 2021, which discloses a SPC floor and a preparation method thereof. The SPC floor comprises 70-80 parts of PVC resin, 220-230 parts of heavy calcium carbonate, and 14.7-20.4 parts of auxiliary agent. The SPC floor has better stability, low processing cost, and significantly reduced warpage, shrinkage, and expansion rate compared to existing conventional SPC floors.

[0004] From the above patent, the existing SPC stone plastic floor has certain advantages compared to other floors, but the existing stone plastic floor has relatively single function and cannot meet people's daily needs. SUMMARY

[0005] The present application is to overcome the deficiency of the single function of the stone plastic floor in the prior art, and provides a pest-repelling and heat-preserving SPC floor with multiple functions and a preparation process thereof.

[0006] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0007] A pest-repelling and heat-preserving SPC floor, which comprises a heat-preserving layer, a base material layer, a color film layer, a wear-resistant layer, and a UV layer. The top of the base material layer is fixedly connected with the bottom of the wear-resistant layer through the color film layer. The top of the wear-resistant layer is fixedly connected with the UV layer. The bottom of the base material layer is fixedly connected with the heat-preserving layer. The base material layer comprises PVC five-type resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, ACR impact modifier, and citronella fiber.

[0008] The application relates to a kind of SPC floorings with insect-repellent and heat-preservation functions, which comprises a heat-preservation layer, a substrate layer, a color film layer, a wear-resistant layer and a UV layer, the top of the substrate layer is fixedly connected with the bottom of the wear-resistant layer through the color film layer, the top of the wear-resistant layer is fixedly connected with the UV layer, and the bottom of the substrate layer is fixedly connected with the heat-preservation layer, characterized in that the substrate layer comprises PVC five-type resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, ACR impact modifier and citronella fiber.

[0009] Preferably, the average particle size of the heavy calcium carbonate and the average particle size of the citronella fiber are 450-900 mesh, which is beneficial to reduce the wear of the processing equipment (especially the screw barrel) and improve the product performance.

[0010] Preferably, the material of the heat-preservation layer is polyurethane board, the surface of the polyurethane board is uniformly coated with adhesive, and the polyurethane board is fixedly connected with the substrate layer through the adhesive. The polyurethane board is selected as the heat-preservation layer because it has good heat-preservation performance and functions of waterproofing and moisture-proofing, which is beneficial to improve the comprehensive performance of the floor.

[0011] The application also provides a preparation process of the SPC flooring with insect-repellent and heat-preservation functions, which comprises the following steps:

[0012] In step one, the PVC five-type resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, impact modifier and citronella fiber are put into a mixer according to the formula proportion;

[0013] In step two, the raw materials are mixed at high speed by the mixer, and the temperature is raised to 125-130 DEG C, which is beneficial to melt the processing aids and remove the water vapor in the raw materials, so that the raw materials meet the use requirements, and then the temperature is rapidly lowered to 35-45 DEG C, which is beneficial to prevent the problems of early plasticization or volatilization and decomposition of the processing aids;

[0014] In step three, the cooled material is uniformly fed into a screw barrel by a screw feeder;

[0015] In step four, the material is plasticized by heating and rolling after entering the screw barrel;

[0016] In step five, the material is extruded by back pressure and pushed to the mold to form a material belt after plasticization is completed;

[0017] Step six, the material belt is out of the mold and enters the four-roll calendering system, so that the material belt is laminated with the color film layer and the wear-resistant layer in turn, and the UV layer is formed on the surface of the wear-resistant layer by rolling the UV paint;

[0018] Step seven, the material belt is transported to the plate shearing machine by the traction machine to be cut to form the finished product;

[0019] Step eight, after cutting, the finished product is transported to the post-processing equipment for sorting;

[0020] Step nine, the polyurethane plate is fixedly connected with the bottom of the base material layer by the adhesive.

[0021] The application adds citronella fiber into the base material layer of the SPC floor, and fixes the polyurethane plate and the bottom of the base material layer together, so that the SPC floor has good anti-mosquito effect, and also has the functions of heat preservation, waterproof and moisture-proof, thereby achieving the purpose of having multiple functions.

[0022] As preferred, the post-processing equipment comprises a conveying table, a sorting table and a manipulator, the end of the conveying table is connected with the plate shearing machine, the left side of the conveying table is provided with a pusher, the pusher is detachably connected with the side wall of the conveying table, the sorting table is located at the right side of the conveying table, the left end of the sorting table is connected with the side wall of the conveying table, the front and rear sides of the sorting table are both provided with limiting plates, the limiting plates are slidably connected with the sorting table in the front and rear directions, the two limiting plates are elastically connected, one of the limiting plates is detachably provided with a distance sensor corresponding to the other limiting plate, the distance sensor is electrically connected with the manipulator, and the manipulator is arranged on the top of the sorting table in an overhanging manner. After being cut by the plate shearing machine, the SPC floor is conveyed to the position corresponding to the pusher by the conveying table, the pusher pushes the SPC floor onto the sorting table and gradually slides into the two limiting plates, the two limiting plates slide relative to the sorting table and are in contact with the front and rear sides of the SPC floor under the elastic action, at this time, the distance sensor detects the distance value between the two limiting plates and transmits the distance value to the control system, the distance value is the length of the SPC floor cut by the plate shearing machine, the control system judges whether the distance value is within the tolerance range of the set value, transmits a signal to the manipulator, and finally the SPC floor is sorted by the manipulator, which is beneficial to improve the product detection quality and the work efficiency.

[0023] As preferred, the front and back sides of the sorting table are provided with support plates, the limiting plates are connected to the top of the support plates, the height of the limiting plates is greater than the height from the top of the sorting table to the top of the support plates, the bottom of the support plates is provided with a rack, the rack is perpendicular to the support plate and the end of the rack is fixedly connected to the support plate, the support plate is slidably connected to the bottom of the sorting table through the rack, the bottom of the sorting table is provided with a gear engaged with the rack, the gear is located between the two racks, a torsion spring shaft is arranged on the gear, and the gear is rotatably connected to the bottom of the sorting table through the torsion spring shaft. The height of the limiting plate is greater than the height from the top of the sorting table to the top of the support plate, so that the limiting plate can act on the SPC floor, thereby facilitating the distance sensor to detect whether the length of the SPC floor after shearing reaches the standard; the pusher pushes the SPC floor onto the sorting table and gradually slides into the two limiting plates, the two limiting plates slide relative to the sorting table, the rack slides while the gear rotates, and the two limiting plates are always in contact with the front and back sides of the SPC floor under the action of the torsion spring on the torsion spring shaft, which facilitates the distance sensor to accurately measure the length of the SPC floor after shearing by the shearing machine; the two limiting plates are engaged with the corresponding racks and gears, so that the displacement of the two limiting plates is the same, thereby the center of gravity of the SPC floor is always located on the center axis of the sorting table, so as to facilitate the accurate grabbing of the mechanical hand and prevent the SPC floor from falling off during the falling process, thereby improving the sorting effect.

[0024] As preferred, the two limiting plates are symmetrically distributed in front of and behind the sorting table, one end of the limiting plate is close to the conveying table, the other end of the limiting plate is away from the conveying table, the end of the limiting plate close to the conveying table is provided with an inclined plate, the inclined plate is fixedly connected to the limiting plate, one side of the limiting plate is close to the sorting table, the other side of the limiting plate is away from the sorting table, the inclined plate is inclined from the side of the limiting plate close to the sorting table to the side of the limiting plate away from the sorting table, and one of the limiting plates is detachably provided with a photoelectric switch, the photoelectric switch is located between the inclined plate and the distance sensor, and the photoelectric switch is electrically connected to the distance sensor. The design of the inclined plate on the two limiting plates facilitates the SPC floor to smoothly slide into the two limiting plates under the action of the pusher, so that the inclined plate plays a good guiding role in sliding the SPC floor into the two limiting plates; when the SPC floor enters between the two limiting plates, the photoelectric switch is inducted, and sends a signal to the distance sensor through the control system, and the distance sensor detects the distance between the two limiting plates, thereby improving the timely sensitivity of the distance sensor response.

[0025] As preferred, the inclined plate is located between the conveying table and the supporting plate, one side of the inclined plate is close to the sorting table, the other side of the inclined plate is far away from the sorting table, and the dust removal brush is fixed on the side of the inclined plate close to the sorting table. Since the plate shearing machine will generate dust and adsorb it on the shearing opening when shearing the SPC floor, the dust removal brush is used to remove the dust on the front and rear sides of the SPC floor before the SPC floor enters the two limiting plates under the action of the pusher, and then the two limiting plates are used to clamp the front and rear sides of the SPC floor, and the length is detected under the action of the distance sensor, which is helpful to improve the measurement accuracy; the inclined plate is located between the conveying table and the supporting plate, which is helpful to drop the dust to the ground or the corresponding container after the dust removal brush removes the dust from the shearing opening, so as to prevent the dust from accumulating on the sorting table surface, thereby facilitating the cleaning of the dust.

[0026] As preferred, the top of the sorting table is provided with a mounting groove, and a conveying belt is detachably mounted in the mounting groove. The conveying belt is driven from left to right, and the conveying belt is on the same plane as the conveying table. The conveying belt is provided with a baffle, the baffle is fixedly connected with the conveying belt, and the conveying direction of the baffle is perpendicular to the conveying direction of the conveying belt. Further, the two limiting plates are respectively engaged with the corresponding gear through the rack, so that the displacement of the two limiting plates is the same, and it is also helpful for the center of gravity of the SPC floor to be always located on the center line of the conveying belt, thereby facilitating the conveying of the conveying belt, and the baffle is more helpful to improve the conveying effect of the SPC floor; the conveying belt is on the same plane as the conveying table, so that the SPC floor can be pushed from the conveying table to the conveying belt under the action of the pusher.

[0027] As preferred, the post-processing device further comprises a material frame, the material frame is located at the right end of the sorting table, the material frame comprises a bottom plate, one end of the bottom plate is close to the sorting table, the other end of the bottom plate is away from the sorting table, a C-shaped limiting block one is arranged on the end of the bottom plate close to the sorting table, the C-shaped limiting block one is fixedly connected with the top of the bottom plate, a C-shaped limiting block two is arranged on the end of the bottom plate away from the sorting table, the C-shaped limiting block one and the C-shaped limiting block two are distributed in left-right symmetry, the C-shaped limiting block two is slidably connected with the bottom plate, a plurality of universal wheels are detachably installed on the bottom of the bottom plate, a linear driver is arranged on the center of the top of the bottom plate, the linear driver is detachably connected with the bottom plate, a supporting block one is connected with the output end of the linear driver, one end of the supporting block one penetrates through the opening end of the C-shaped limiting block one and is slidably connected with the bottom of the C-shaped limiting block one, the other end of the supporting block one is provided with a plurality of telescopic shafts, the supporting block one is connected with a supporting block two through the plurality of telescopic shafts, one end of the supporting block two is connected with the supporting block one through the plurality of telescopic shafts, the other end of the supporting block two penetrates through the opening end of the C-shaped limiting block two and is slidably connected with the bottom of the C-shaped limiting block two, a gravity sensor is detachably installed on the supporting block one, and the gravity sensor is electrically connected with the linear driver. After the distance sensor measures, when the distance value between the two limiting plates is not within the tolerance range of the set value, a signal is transmitted to the mechanical hand, the SPC floor on the conveying belt is grabbed by the mechanical hand and conveyed to the corresponding collection, the mechanical hand can grab the SPC floor through the vacuum suction cup; when the distance value between the two limiting plates is within the tolerance range of the set value, the mechanical hand does not work, and the SPC floor is continuously conveyed to the material frame by the conveying belt; before operation, the operator can adjust the size of the material frame by moving the C-shaped limiting block two according to the size of the SPC floor, so that the SPC floor can be better limited by the C-shaped limiting block one and the C-shaped limiting block two, thereby preventing the SPC floor in the material frame from sliding off during the movement and conveying process, which is beneficial to personal safety and prevents the SPC floor from being damaged; in the initial state, the supporting block one and the supporting block two are located at the top of the C-shaped limiting block one and the C-shaped limiting block two respectively, the SPC floor is conveyed to the plane formed by the supporting block one and the supporting block two, after the gravity sensor senses the increase of gravity, a signal is sent to the control system, and the control system controls the linear driver to drive the supporting block one and the supporting block two to move downward by a certain distance, the distance is set by the control system as the thickness of a piece of SPC floor, and the above steps are repeated to realize that the SPC floor can be automatically and orderly stacked in the material frame until the supporting block one and the supporting block two are located at the bottom of the C-shaped limiting block one and the C-shaped limiting block two respectively, the material frame is full, the operator pushes it to other stations and replaces the empty material frame, and the above operation is continued. Since there is a gap between the C-shaped limiting block one and the C-shaped limiting block two, the operator can easily take the SPC floor from the material frame, which is convenient and fast.

[0028] The beneficial effects of the present application are: the present application adds citronella fiber into the base material layer of the SPC floor, and simultaneously fixes and connects the polyurethane plate and the bottom of the base material layer together, so that the SPC floor can play a better anti-mosquito effect, and also has certain heat preservation, waterproof and moisture-proof functions, thereby achieving the purpose of having multiple functions; the SPC floor is detected by the sorting table and sorted by the mechanical hand, which is beneficial to improve the product detection quality and improve the work efficiency; the response timeliness and sensitivity of the distance sensor are improved; the dusting brush is used for dust removal of the shearing port of the SPC floor, which is beneficial to improve the measurement accuracy; the inclined plate is located between the conveying table and the supporting plate, which is beneficial to the dust falling to the ground or the corresponding container after the dust removal of the shearing port by the dusting brush, prevents dust accumulation on the sorting table surface, and is beneficial to dust cleaning; the blocking strip is more beneficial to improve the conveying effect of the SPC floor; the SPC floor can be better limited by the C-shaped limiting block one and the C-shaped limiting block two, so as to prevent the SPC floor in the material frame from sliding during the moving and conveying process, which is beneficial to personal safety and prevents the SPC floor from being damaged; the SPC floor in the material frame can be automatically and orderly stacked; the operator can conveniently take the SPC floor from the material frame, which is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a structural schematic view of the present application;

[0030] Figure 2 is a structural schematic view of the post-processing equipment;

[0031] Figure 3 is a top view of Figure 2 ;

[0032] Figure 4 is a bottom view of the sorting table in Figure 2 ;

[0033] Figure 5 is a structural schematic view of the material frame;

[0034] Figure 6 is a sectional view of A-A in Figure 5 ;

[0035] In the figure: 1. heat preservation layer, 2. substrate layer, 3. color film layer, 4. wear-resistant layer, 5. UV layer, 6. conveying table, 7. sorting table, 8. mechanical hand, 9. plate shearing machine, 10. pusher, 11. limiting plate, 12. distance sensor, 13. support plate, 14. rack, 15. gear, 16. torsion spring shaft, 17. inclined plate, 18. photoelectric switch, 19. dust removal brush, 20. installation groove, 21. conveying belt, 22. baffle, 23. material frame, 24. bottom plate, 25. C-shaped limiting block one, 26. C-shaped limiting block two, 27. universal wheel, 28. linear driver, 29. support block one, 30. telescopic shaft, 31. support block two, 32. gravity sensor. DETAILED DESCRIPTION

[0036] The application will be further described below in conjunction with the drawings and specific embodiments.

[0037] As Figure 1 In the embodiment, the insect-repellent heat preservation type SPC floor includes a heat preservation layer 1, a substrate layer 2, a color film layer 3, a wear-resistant layer 4 and a UV layer 5. The top of the substrate layer 2 is fixedly connected with the bottom of the wear-resistant layer 4 through the color film layer 3, the top of the wear-resistant layer 4 is fixedly connected with the UV layer 5, and the bottom of the substrate layer 2 is fixedly connected with the heat preservation layer 1. The substrate layer 2 includes PVC five-type resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, ACR impact resistance agent and citronella fiber. The average particle size of the heavy calcium carbonate and the average particle size of the citronella fiber are 450-900 mesh. The material of the heat preservation layer 1 is polyurethane board, the surface of the polyurethane board is uniformly coated with adhesive, and the polyurethane board is fixedly connected with the substrate layer 2 through the adhesive.

[0038] The application also provides a preparation process of the insect-repellent heat preservation type SPC floor, which includes the following steps.

[0039] Step one, the PVC five-type resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, impact resistance modifier and citronella fiber are put into a mixer according to the formula proportion;

[0040] Step two, the raw materials are mixed at high speed by the mixer and the temperature is raised to 125-130 DEG C, and then rapidly cooled to 35-45 DEG C;

[0041] Step three, the cooled material is uniformly fed into the screw rod cylinder through the screw feeder;

[0042] Step four, the material is plasticized by heating and rolling after entering the screw cylinder;

[0043] Step five, after the material is plasticized, it is extruded by back pressure and pushed to the mold to form a material belt;

[0044] Step six, the material belt enters the four-roll calendering system after coming out of the mold opening, so that the material belt is sequentially laminated with the color film layer 3 and the wear-resistant layer 4, and the UV layer 5 is formed on the surface of the wear-resistant layer 4 by roll coating UV paint;

[0045] Step seven, the material belt is transported to the plate cutting machine 9 by the traction machine to cut and form the finished product;

[0046] Step eight, after cutting, the finished product is transported to the post-processing equipment for sorting;

[0047] Step nine, the polyurethane plate is fixedly connected with the bottom of the base material layer 2 through an adhesive.

[0048] As shown in Figure 2 and Figure 3 , the post-processing equipment includes a conveying table 6, a sorting table 7 and a mechanical hand 8, the end of the conveying table 6 is connected with the plate cutting machine 9, a pusher 10 is arranged on the left side of the conveying table 6, the pusher 10 is detachably connected with the side wall of the conveying table 6, the sorting table 7 is located on the right side of the conveying table 6, the left end of the sorting table 7 is connected with the side wall of the conveying table 6, limiting plates 11 are arranged on the front and back sides of the sorting table 7, the limiting plates 11 are slidably connected with the sorting table 7 along the front and back directions, the limiting plates 11 are elastically connected between the two limiting plates 11, one of the limiting plates 11 is detachably installed with a distance sensor 12 corresponding to the other limiting plate 11, the distance sensor 12 is electrically connected with the mechanical hand 8, and the mechanical hand 8 is arranged on the top of the sorting table 7 in an overhanging manner.

[0049] As shown in Figure 3 and Figure 4 , the front and back sides of the sorting table 7 are provided with support plates 13, the limiting plates 11 are connected with the top of the support plates 13, the height of the limiting plates 11 is greater than the height from the top of the sorting table 7 to the top of the support plates 13, the bottom of the support plates 13 is provided with a rack 14, the rack 14 is perpendicular to the support plates 13 and the ends of the rack 14 are fixedly connected with the support plates 13, the support plates 13 are slidably connected with the bottom of the sorting table 7 through the rack 14, the bottom of the sorting table 7 is provided with a gear 15 engaged with the rack 14, the gear 15 is located between the two racks 14, and the gear 15 is provided with a torsion spring shaft 16, and the gear 15 is rotatably connected with the bottom of the sorting table 7 through the torsion spring shaft 16.

[0050] As shown in Figure 3 and Figure 4As shown, the two limiting plates 11 are symmetrically distributed in front and back with the sorting table 7 as the center, one end of the limiting plate 11 is close to the conveying table 6, the other end of the limiting plate 11 is away from the conveying table 6, the end of the limiting plate 11 close to the conveying table 6 is provided with an inclined plate 17, the inclined plate 17 is fixedly connected with the limiting plate 11, one side of the limiting plate 11 is close to the sorting table 7, the other side of the limiting plate 11 corresponding to the sorting table 7 is away from the sorting table 7, the inclined plate 17 is inclined from the side of the limiting plate 11 close to the sorting table 7 to the side of the limiting plate 11 away from the sorting table 7, one of the limiting plates 11 is detachably provided with a photoelectric switch 18, the photoelectric switch 18 is located between the inclined plate 17 and the distance sensor 12, and the photoelectric switch 18 is electrically connected with the distance sensor 12.

[0051] As shown in Figure 3 and Figure 4 , the inclined plate 17 is located between the conveying table 6 and the supporting plate 13, one side of the inclined plate 17 is close to the sorting table 7, the other side of the inclined plate 17 corresponding to the sorting table 7 is away from the sorting table 7, and the side of the inclined plate 17 close to the sorting table 7 is fixedly provided with a dust removal brush 19.

[0052] As shown in Figure 3 , the top of the sorting table 7 is provided with a mounting groove 20, and a conveying belt 21 is detachably mounted in the mounting groove 20, the conveying belt 21 is driven from left to right, the conveying belt 21 is on the same plane as the conveying table 6, the conveying belt 21 is provided with a blocking strip 22, the blocking strip 22 is fixedly connected with the conveying belt 21, and the blocking strip 22 is perpendicular to the conveying direction of the conveying belt 21.

[0053] As shown in Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, the post-processing device further comprises a material frame 23 located at the right end of the sorting table 7, the material frame 23 comprises a bottom plate 24, one end of the bottom plate 24 is close to the sorting table 7, the other end of the bottom plate 24 is away from the sorting table 7, a C-shaped limiting block one 25 is arranged on the end of the bottom plate 24 close to the sorting table 7, the C-shaped limiting block one 25 is fixedly connected with the top of the bottom plate 24, a C-shaped limiting block two 26 is arranged on the end of the bottom plate 24 away from the sorting table 7, the C-shaped limiting block one 25 and the C-shaped limiting block two 26 are distributed left and right symmetrically, the C-shaped limiting block two 26 is slidably connected with the bottom plate 24, a plurality of universal wheels 27 are detachably installed on the bottom of the bottom plate 24, a linear driver 28 is arranged on the top center of the bottom plate 24, the linear driver 28 is detachably connected with the bottom plate 24, a support block one 29 is connected with the output end of the linear driver 28, one end of the support block one 29 penetrates through the open end of the C-shaped limiting block one 25 and is slidably connected with the bottom of the C-shaped limiting block one 25, the other end of the support block one 29 is provided with a plurality of telescopic shafts 30, the support block one 29 is connected with a support block two 31 through the plurality of telescopic shafts 30, one end of the support block two 31 is connected with the support block one 29 through the plurality of telescopic shafts 30, the other end of the support block two 31 penetrates through the open end of the C-shaped limiting block two 26 and is slidably connected with the bottom of the C-shaped limiting block two 26, a gravity sensor 32 is detachably installed on the support block one 29, the gravity sensor 32 is electrically connected with the linear driver 28.

[0054] After being cut by the plate shearing machine 9, the SPC floor is conveyed to the position corresponding to the pusher 10 by the conveying table 6, and the pusher 10 pushes it onto the sorting table 7. Under the action of the conveying belt 21 and the blocking strip 22, the SPC floor first passes through the dust removal brush 19 to remove dust from the front and rear two sides of the sheared part, and then is gradually sent between the two limiting plates 11, which clamp the front and rear two sides of the SPC floor. In the process of being sent, the photoelectric switch 18 is inducted, and a signal is transmitted to the distance sensor 12 through the control system. The distance sensor 12 detects the distance between the two limiting plates 11, and the distance value is the length value of the SPC floor after being cut by the plate shearing machine 9. After being measured by the distance sensor 12, when it is judged by the control system that the distance value between the two limiting plates 11 is not within the tolerance range of the set value, a signal is transmitted to the mechanical hand 8, which grasps the SPC floor on the conveying belt 21 and conveys it to the corresponding collection place. The mechanical hand 8 can grasp the SPC floor by a vacuum suction cup. When it is judged by the control system that the distance value between the two limiting plates 11 is within the tolerance range of the set value, the mechanical hand 8 does not work, and the SPC floor is continuously conveyed into the material frame 23 by the conveying belt 21.

[0055] Before operation, the operator can adjust the size of the material frame 23 according to the size of the SPC floor by moving the C-shaped limiting block two 26, so that the SPC floor can be better limited by the C-shaped limiting block one 25 and the C-shaped limiting block two 26, thereby preventing the SPC floor in the material frame 23 from falling during the moving conveying process, benefiting personal safety and preventing the SPC floor from being damaged; in the initial state, the supporting block one 29 and the supporting block two 31 are respectively located at the top of the C-shaped limiting block one 25 and the C-shaped limiting block two 26, and the SPC floor is conveyed to the plane formed by the supporting block one 29 and the supporting block two 31, after the gravity sensor 32 senses the increase of gravity, sends a signal to the control system, and controls the linear driver 28 to drive the supporting block one 29 and the supporting block two 31 to move downward by a certain distance respectively, the distance is set by the control system as the thickness of a piece of SPC floor, and the above steps are repeated to realize that the SPC floor can be automatically and orderly stacked in the material frame 23 until the supporting block one 29 and the supporting block two 31 are respectively located at the bottom of the C-shaped limiting block one 25 and the C-shaped limiting block two 26, that is, the material frame 23 is full, the operator pushes it to other workstations and replaces the empty material frame 23, and continues the above operation, since there is a gap between the C-shaped limiting block one 25 and the C-shaped limiting block two 26, the operator can conveniently and quickly take the SPC floor from the material frame 23.

Claims

1. A manufacturing process for an insect-repellent and heat-insulating SPC floor, the SPC floor comprising an insulation layer (1), a substrate layer (2), a color film layer (3), a wear-resistant layer (4), and a UV layer (5), wherein the top of the substrate layer (2) is fixedly connected to the bottom of the wear-resistant layer (4) via the color film layer (3), the top of the wear-resistant layer (4) is fixedly connected to the UV layer (5), and the bottom of the substrate layer (2) is fixedly connected to the insulation layer (1), characterized in that, The substrate layer (2) includes PVC type 5 resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, ACR impact agent and lemongrass fiber; the preparation process of this SPC flooring includes the following steps: Step 1: Add PVC Type 5 resin, heavy calcium carbonate, calcium-zinc stabilizer, PE wax, stearic acid, impact modifier and lemongrass fiber into the mixer according to the formula ratio. Step 2: The raw materials are mixed at high speed using a mixer and the temperature is raised to 125℃~130℃, and then the temperature is rapidly reduced to 35℃~45℃. Step 3: The cooled material is fed into the screw barrel at a uniform speed by a screw feeder. Step four: After the material enters the screw conveyor, it is plasticized by heating and crushing. Step 5: After the material is plasticized, it is extruded under back pressure and pushed into the mold to form a strip. Step 6: After the strip exits the die, it enters the four-roll calendering system, so that the strip is bonded to the color film layer (3) and the wear-resistant layer (4) in sequence, and a UV layer (5) is formed on the surface of the wear-resistant layer (4) by roller coating with UV paint. Step 7: The strip is transported by the traction machine to the shearing machine (9) for cutting to form the finished product; Step 8: After cutting, the finished products are transported to the post-processing equipment for sorting. Step 9: Secure the polyurethane board to the bottom of the substrate layer (2) using an adhesive. The post-processing equipment includes a conveyor (6), a sorting table (7), and a robot (8). The end of the conveyor (6) is connected to a shearing machine (9). A pusher (10) is provided on the left side of the conveyor (6). The pusher (10) is detachably connected to the side wall of the conveyor (6). The sorting table (7) is located on the right side of the conveyor (6). The left end of the sorting table (7) is connected to the side wall of the conveyor (6). Limiting plates (11) are provided on both the front and rear sides of the sorting table (7). The limiting plates (11) are slidably connected to the sorting table (7) in the front-rear direction. The two limiting plates (11) are elastically connected. A distance sensor (12) corresponding to the other limiting plate (11) is detachably installed on one of the limiting plates (11). The distance sensor (12) is electrically connected to the robot (8). The robot (8) is suspended above the sorting table. The top of the sorting table (7); the front and rear sides of the sorting table (7) are provided with support plates (13), the limiting plate (11) is connected to the top of the support plate (13), the height of the limiting plate (11) is greater than the height from the top of the sorting table (7) to the top of the support plate (13), the bottom of the support plate (13) is provided with a rack (14), the rack (14) is perpendicular to the support plate (13) and its end is fixedly connected to the support plate (13), the support plate (13) is slidably connected to the bottom of the sorting table (7) through the rack (14), the bottom of the sorting table (7) is provided with a gear (15) that meshes with the rack (14), the gear (15) is located between the two racks (14), the gear (15) is provided with a torsion spring shaft (16), the gear (15) is rotatably connected to the bottom of the sorting table (7) through the torsion spring shaft (16).

2. The manufacturing process of the insect-repellent and heat-insulating SPC flooring according to claim 1, characterized in that, The average particle size of the heavy calcium carbonate and the average particle size of the lemongrass fiber are 450~900 mesh.

3. The manufacturing process of the insect-repellent and heat-insulating SPC flooring according to claim 1, characterized in that, The insulation layer (1) is made of polyurethane board, and the surface of the polyurethane board is uniformly coated with adhesive. The polyurethane board is fixedly connected to the substrate layer (2) by the adhesive.

4. The manufacturing process of an insect-repellent and heat-insulating SPC flooring according to claim 1, characterized in that, Two limiting plates (11) are symmetrically distributed front and back around the sorting table (7). One end of the limiting plate (11) is close to the conveyor table (6), and the other end of the limiting plate (11) is far away from the conveyor table (6). An inclined plate (17) is provided at the end of the limiting plate (11) close to the conveyor table (6). The inclined plate (17) is fixedly connected to the limiting plate (11). One side of the limiting plate (11) is close to the sorting table (7), and the other side of the limiting plate (11) is far away from the sorting table (7). The inclined plate (17) is tilted from the side of the limiting plate (11) close to the sorting table (7) to the side of the limiting plate (11) far away from the sorting table (7). A photoelectric switch (18) is detachably installed on one of the limiting plates (11). The photoelectric switch (18) is located between the inclined plate (17) and the distance sensor (12). The photoelectric switch (18) is electrically connected to the distance sensor (12).

5. The manufacturing process of an insect-repellent and heat-insulating SPC flooring according to claim 4, characterized in that, The inclined plate (17) is located between the conveyor (6) and the support plate (13). One side of the inclined plate (17) is close to the sorting table (7), and the other side of the inclined plate (17) is away from the sorting table (7). A dust removal brush (19) is fixed on the side of the inclined plate (17) close to the sorting table (7).

6. The manufacturing process of an insect-repellent and heat-insulating SPC flooring according to claim 1, 2, 3, 4, or 5, characterized in that, The top of the sorting table (7) is provided with an installation groove (20), and a conveyor belt (21) is detachably installed in the installation groove (20). The conveyor belt (21) is driven from left to right. The conveyor belt (21) and the conveyor table (6) are on the same plane. The conveyor belt (21) is provided with a baffle (22), which is fixedly connected to the conveyor belt (21). The conveying direction of the baffle (22) and the conveyor belt (21) are perpendicular to each other.

7. The manufacturing process of an insect-repellent and heat-insulating SPC flooring according to claim 1, 2, 3, 4, or 5, characterized in that, The post-processing equipment also includes a material frame (23), which is located at the right end of the sorting table (7). The material frame (23) includes a base plate (24), one end of which is close to the sorting table (7), and the other end of which is away from the sorting table (7). A C-shaped limiting block one (25) is provided on the end of the base plate (24) close to the sorting table (7). The C-shaped limiting block one (25) is fixedly connected to the top of the base plate (24). A C-shaped limiting block two (26) is provided on the end of the base plate (24) away from the sorting table (7). The C-shaped limiting block one (25) and the C-shaped limiting block two (26) are symmetrically distributed from left to right. The C-shaped limiting block two (26) is slidably connected to the base plate (24) from left to right. Several universal wheels (27) are detachably installed on the bottom of the base plate (24). A linear actuator (28) is provided at the top center of the base plate (24). The linear driver (28) is detachably connected to the base plate (24). A support block (29) is connected to the output end of the linear driver (28). One end of the support block (29) passes through the opening end of the C-shaped limiting block (25) and slides up and down to the bottom of the C-shaped limiting block (25). The other end of the support block (29) is provided with several telescopic shafts (30). The support block (29) is connected to a support block (31) through several telescopic shafts (30). One end of the support block (31) is connected to the support block (29) through several telescopic shafts (30). The other end of the support block (31) passes through the opening end of the C-shaped limiting block (26) and slides up and down to the bottom of the C-shaped limiting block (26). A gravity sensor (32) is detachably installed on the support block (29). The gravity sensor (32) is electrically connected to the linear driver (28).

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