A processing method for high temperature resistant and environmentally friendly conductive foam

Abstract

The present invention belongs to the technical field of conductive foam, and in particular to a processing method for high-temperature resistant and environment-friendly conductive foam. Aiming at the problems that the conductive foam has poor high-temperature resistance and that the process is complicated and the power consumption is large when the flame-retardant interlayer of the conductive foam and the conductive foam base layer are pressed together during the production of the conductive foam, the following scheme is proposed. The conductive foam base layer also includes a heat insulation layer. Two heat insulation layers are provided. The two heat insulation layers are symmetrically arranged on the top and bottom surfaces of the conductive foam base layer, and hot melt adhesive is arranged between the heat insulation layer and the conductive foam base layer. In the present invention, a double heat insulation layer is arranged on the top and bottom surfaces of the conductive foam base layer, so as to effectively improve the high-temperature resistance of the conductive foam when in use, and a flame retardant is arranged inside the conductive foam base layer, so as to further improve the high-temperature resistance of the conductive foam when in use.

Description

Technical Field

[0001] The present invention relates to the technical field of conductive foam, and in particular to a high temperature resistant and environmentally friendly conductive foam and a processing method thereof. Background Art

[0002] Conductive foam refers to a flame-retardant sponge wrapped with conductive cloth. After a series of treatments, it has good surface conductivity and can be easily fixed to the device to be shielded with adhesive tape. Conductive foam also has the advantages of surface conductivity, electromagnetic shielding, light weight, good toughness, good elasticity, compressible thickness, flame retardant, can be punched into various shapes, and strong environmental adaptability. It is widely used in consumer electronics, home appliances, communications, medical equipment, industrial control, military industry, aerospace and other industries, and has great development prospects.

[0003] At present, conductive foam usually has a flame retardant effect during use. Generally, a flame retardant interlayer is arranged on its surface, so as to effectively ensure the high temperature resistance of the conductive foam during use. During the processing of this kind of conductive foam with high temperature resistance, when the barrier interlayer and the conductive foam base are pressed together, the process is relatively complicated, the continuity is poor, and the power consumption is too large, which does not conform to the low-carbon and environmentally friendly production concept.

[0004] Therefore, a high temperature resistant and environmentally friendly conductive foam and its processing technology are needed to solve the problems of poor high temperature resistance of conductive foam and complex process and high power consumption when pressing the flame retardant interlayer of conductive foam and conductive foam base layer during the production of conductive foam. Summary of the invention

[0005] The invention proposes a high temperature resistant and environment-friendly conductive foam and its processing technology, which solves the problems of poor high temperature resistance of conductive foam and the flame retardant interlayer of conductive foam and conductive foam base layer during production.

[0006] The pressing process is complicated and consumes a lot of power.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: A high temperature resistant and environmentally friendly conductive foam, comprising a conductive foam base layer, the conductive foam base layer also includes

[0008] A heat insulation layer, wherein two heat insulation layers are provided, and the two heat insulation layers are symmetrically arranged on the top surface and the bottom surface of the conductive foam base layer, and hot melt adhesive is arranged between the heat insulation layer and the conductive foam base layer;

[0009] A conductive layer, a mounting groove is provided at the center of the thermal insulation layer at the top, the conductive layer is arranged on the bottom outer surface of the mounting groove, and a shielding layer bonded to the inner wall of the mounting groove is arranged above the conductive layer;

[0010] A UV wear-resistant frame is distributed in a rectangular shape on the outer surface of the conductive foam base layer, and the height of the UV wear-resistant frame is equal to the height between the two thermal insulation layers.

[0011] Preferably, the conductive foam base layer comprises the following raw materials: polyethylene resin, conductive carbon black, antioxidant, flame retardant, foaming agent, sensitizer and coupling agent.

[0012] A method for processing high temperature resistant and environmentally friendly conductive foam comprises the following steps:

[0013] S1. Conductive foam coil processing: polyethylene resin, conductive carbon black, antioxidant, flame retardant, foaming agent, sensitizer and coupling agent are sent to a high-temperature mixer in proportion through an automatic metering system, and a polymer conductive foam base layer is formed through mixing, granulation, sheet extrusion, double-sided irradiation and foaming treatment, which is then rolled up to form a conductive foam base coil;

[0014] SS, heat insulation layer coil processing: select two rolls of polystyrene heat insulation layer coils of the same specification, perform hot pressing and cutting on one of the polystyrene heat insulation layer coils to form an installation groove, perform hot pressing and install the conductive layer and shielding layer bonded and set in the installation groove, and then perform a coiling process on the coils;

[0015] St, hot pressing molding: Place the conductive base coil formed in step S1 on the mounting frame, place the untreated polystyrene insulation layer coil in step SS on the mounting cover, and place the polystyrene with the conductive layer and shielding layer on the mounting cover.

[0016] The heat insulation layer coil is placed on the top of the installation cover, and is heat-pressed by a heat-pressing mechanism arranged between the installation frame and the installation cover. The conductive foam base coil is transported to the heat-pressing mechanism by a guide conveying and gluing mechanism matched with the heat-pressing mechanism for heat-pressing molding to form a conductive foam substrate.

[0017] S4, glue removal and shaping: The conductive foam substrate that has been subjected to the hot pressing molding treatment is firstly subjected to glue removal and then to shaping by means of a glue removal and shaping mechanism disposed on the mounting cover;

[0018] S5, preheating and cutting: preheating the conductive foam substrate that has been shaped in step S4, and then punching and shaping it using a CNC machine tool to form conductive foam slices;

[0019] S6, frame protection: the conductive foam slices in step S5 are conveyed by a conveyor belt, and each conductive foam slice is sleeved with a UV wear-resistant frame, so that the UV wear-resistant frame is sleeved around the conductive foam slice, thereby completing the processing of the heat-insulating conductive foam.

[0020] Preferably, the hot pressing mechanism of step S3 includes two hot pressing rollers distributed up and down, the hot pressing rollers are rotatably mounted on the inner wall of the mounting cover, the outer ends of the two hot pressing rollers are coaxially mounted with transmission gears a, the two transmission gears a are meshingly connected, and one side of the mounting cover is provided with a driving motor coaxially mounted with the hot pressing rollers at the bottom.

[0021] Preferably, the guide conveying glue coating mechanism of step S3 includes two glue coating boxes distributed up and down, the glue coating boxes are fixed to the inner wall of the mounting frame, a glue coating roller is arranged between the opposite surfaces of the two glue coating boxes, the two glue coating rollers are installed on the inner wall of the mounting frame for up and down rotation, the outer ends of the two glue coating rollers are coaxially mounted with transmission gears b, the two transmission gears b are meshingly connected, the outer ends of the hot pressing roller located below and the adjacent glue coating rollers are coaxially mounted with transmission pulleys a, a transmission belt a is arranged between the outer surfaces of the two transmission pulleys a, guide rollers rotatably connected to the mounting frame are arranged on the outer sides of the two glue coating rollers, transmission gears c are coaxially mounted on the outer surfaces of the two guide rollers, the two transmission gears c are meshingly connected, the glue coating roller located above is connected to the adjacent guide rollers

[0022] The outer ends of the rollers are coaxially mounted with drive pulleys b, and the outer surfaces of the two drive pulleys b are provided with drive belts b.

[0023] Preferably, the bottom horizontal section of the upper glue coating roller and the adjacent guide roller are the same horizontal section, the top horizontal section of the lower glue coating roller and the adjacent guide roller are the same horizontal section, and the height of the lower guide roller is higher than the height of the conductive foam base coil.

[0024] Preferably, the glue removal and shaping mechanism of step S4 comprises two symmetrically distributed guide sleeves a, the inner wall of the guide sleeve a is slidably penetrated by a sliding rod a, a T-shaped rod is fixed to the bottom end of the sliding rod a, a sliding groove is provided on the inner wall of the mounting cover close to the T-shaped rod, a plurality of glue removal wheels rotatably connected to the inner wall of the T-shaped rod are arranged inside the sliding groove, a collecting wheel is rotatably connected to the inner wall of the sliding groove, a guide frame fixed to the outer wall of the mounting cover is arranged at the outer end of the collecting wheel, a collecting frame fixed to the outer wall of the mounting cover is arranged below the guide frame, a turntable is coaxially mounted on the outer end of the hot pressing roller located above, a rotating column is fixed to the outer surface of the turntable, a limiting ring is fixed to the end of one of the sliding rods a, the limiting ring is sleeved on the outer surface of the rotating column, a shaping cover is fixed to the outer end of the mounting cover, and the outer wall of the shaping cover is provided with symmetrically distributed moving grooves, A slider slidably connected to the outer surface of the shaping cover is provided at the outer end of the movable groove, a shaping roller is rotatably connected between the two sliders located in the same horizontal direction, a connecting rod a is fixed between the slider located at the top and the adjacent sliding rod a, a guide sleeve b fixed to the outer wall of the mounting cover is provided on one side of the collection frame, an L-shaped rod is slidably connected to the inner surface of the guide sleeve b, one end of the L-shaped rod is fixed to the slider located below, and the other end of the L-shaped rod is fixed to the bottom surface of the adjacent T-shaped rod.

[0025] Preferably, the shaping roller is vertically distributed with the rubber removal wheel, the bottom horizontal section of the shaping roller located above and the adjacent hot pressing roller are in the same horizontal plane, and the top horizontal section of the shaping roller located below and the adjacent hot pressing roller are in the same horizontal plane.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. In the present invention, a double heat insulation layer is provided on the top and bottom surfaces of the conductive foam base layer, thereby effectively improving the high temperature resistance of the conductive foam when in use, and a flame retardant is provided inside the conductive foam base layer, thereby further improving the high temperature resistance of the conductive foam when in use.

[0028] 2. In the present invention, the hot pressing mechanism drives the guiding conveying and gluing mechanism and the glue removing and shaping mechanism to move synchronously, and the structures are highly correlated, which effectively saves energy consumption. The guiding conveying and gluing mechanism drives the conductive foam base layer to be guided and conveyed and double-sided glue-coated, and the hot pressing mechanism synchronously conveys and hot-presses the thermal insulation layer, so that the conductive foam base layer and the thermal insulation layer are fully pressed together, thereby greatly improving the processing quality of the conductive foam, and through the synchronous movement of the glue removing and shaping mechanism, the hot melt adhesive remaining on the edge surface is fully removed, and it is reshaped, thereby further improving the processing quality of the conductive foam. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] FIG1 is a schematic structural diagram of a high temperature resistant and environment-friendly conductive foam proposed by the present invention;

[0030] FIG2 is a schematic diagram of the disassembled structure of a high temperature resistant and environment-friendly conductive foam proposed by the present invention;

[0031] FIG3 is a process flow chart of a method for processing a high temperature resistant and environment-friendly conductive foam proposed by the present invention;

[0032] FIG4 is a schematic diagram of the device structure of a method for processing high temperature resistant and environment-friendly conductive foam proposed by the present invention;

[0033] FIG5 is a structural schematic diagram of a guide conveying and gluing mechanism of a method for processing high temperature resistant and environment-friendly conductive foam proposed by the present invention;

[0034] Figure 6 is an enlarged view of area A in Figure 5;

[0035] FIG. 7 is a debonding and shaping machine for a method of processing a high temperature resistant and environmentally friendly conductive foam according to the present invention.

[0036] Schematic diagram of local structure;

[0037] FIG. 8 is a schematic diagram of the local structure of the rubber removal wheel in a method for processing high temperature resistant and environment-friendly conductive foam proposed by the present invention.

[0038] In the figure: 1. Conductive foam base layer; 2. Heat insulation layer; 3. Conductive layer; 4. Mounting groove; 5. Shielding layer; 6. UV wear-resistant frame; 7. Hot pressing mechanism; 71. Hot pressing roller; 72. Transmission gear a; 73. Driving motor; 8. Guide conveying and gluing mechanism; 81. Gluing box; 82. Gluing roller; 83. Transmission gear b; 84. Transmission pulley a; 85. Transmission belt a; 86. Guide roller; 87. Transmission gear c; 88. Transmission pulley b; 89. Transmission belt b; 9. Glue removal and shaping mechanism; 91. Guide sleeve a; 92. Sliding rod a; 93. T-shaped rod; 94. Slide groove; 95. Glue removal wheel; 96. Collecting wheel; 97. Guide frame; 98. Collecting frame; 99. Turntable; 910. Rotating column; 911. Limiting ring; 912, shaping cover; 913, moving groove; 914, sliding block; 915, shaping roller;

[0039] 916. Connecting rod a; 917. Guide sleeve b; 918. L-shaped rod; 10. Mounting cover; 11. Mounting frame. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0041] 1-2, a high-temperature resistant and environmentally friendly conductive foam comprises a conductive foam base layer 1, the conductive foam base layer 1 also comprises a heat insulating layer 2, two heat insulating layers 2 are provided, the two heat insulating layers 2 are symmetrically arranged on the top and bottom surfaces of the conductive foam base layer 1, and hot melt adhesive is arranged between the heat insulating layer 2 and the conductive foam base layer 1; a conductive layer 3, a mounting groove 4 is opened at the center of the top heat insulating layer 2, the conductive layer 3 is arranged on the bottom outer surface of the mounting groove 4, and a shielding layer 5 bonded to the inner wall of the mounting groove 4 is arranged above the conductive layer 3; a UV wear-resistant frame 6, the UV wear-resistant frame 6 is distributed in a rectangular shape on the outer surface of the conductive foam base layer 1, and the height of the UV wear-resistant frame 6 is equal to the height between the two heat insulating layers 2.

[0042] The conductive foam base layer 1 includes the following raw materials: polyethylene resin, conductive carbon black, antioxidant,

[0043] Flammable agents, foaming agents, sensitizers and coupling agents.

[0044]

[0045] By providing a double heat-insulating layer 2 on the top and bottom surfaces of the conductive foam base layer 1, the high-temperature resistance of the conductive foam during use is effectively improved, and by providing a flame retardant inside the conductive foam base layer 1, the high-temperature resistance of the conductive foam during use can be further improved.

[0046] 3-8, a method for processing high temperature resistant and environmentally friendly conductive foam includes the following steps:

[0047] S1. Conductive foam coil processing: polyethylene resin, conductive carbon black, antioxidant, flame retardant, foaming agent, sensitizer and coupling agent are sent to a high-temperature mixer in proportion through an automatic metering system, and a polymer conductive foam base layer 1 is formed through mixing, granulation, extrusion, double-sided irradiation and foaming treatment, which is rolled up to form a conductive foam base layer 1 coil; first stir at a low speed for 1-3 minutes, then stir at a high speed until the material temperature reaches 100-120°C, and granulate at 120-130°C through a granulator connected to the high-temperature mixer, extrude the masterbatch formed by the granulation treatment into a master sheet, double-sided irradiation treatment of the formed master sheet is performed by an electron beam, and the irradiated master sheet is sent to a foaming furnace for preheating at 150°C, and after preheating, a high-temperature foaming treatment is performed at 200°C to form a conductive base layer;

[0048] S2, heat insulation layer coil processing: select two rolls of polystyrene heat insulation layer 2 coils of the same specification, perform hot pressing and cutting treatment on one of the polystyrene heat insulation layer 2 coils to form an installation groove 4, perform hot pressing and installation on the conductive layer 3 and the shielding layer 5 bonded and arranged in the installation groove 4, and perform a rolling treatment on the same;

[0049] S3, hot pressing forming: Place the conductive base coil formed in step S1 on the mounting frame 11,

[0050] The untreated polystyrene insulation layer 2 coil in step S2 is placed on the installation cover 10, and the polystyrene insulation layer 2 coil provided with the conductive layer 3 and the shielding layer 5 is placed on the top of the installation cover 10, and is subjected to heat pressing treatment by the heat pressing mechanism 7 provided between the installation frame 11 and the installation cover 10, and the conductive foam base layer 1 coil is transported to the heat pressing mechanism 7 by the guide conveying glue coating mechanism 8 matched with the heat pressing mechanism 7 for heat pressing molding treatment to form a conductive foam substrate;

[0051] S4, glue removal and shaping: the glue removal and shaping mechanism 9 provided on the mounting cover 10 is used to remove the glue first and then shape the conductive foam substrate that has been subjected to the hot pressing molding treatment;

[0052] S5, preheating and cutting: preheating the conductive foam substrate that has been shaped in step S4, and then punching and shaping it using a CNC machine tool to form conductive foam slices;

[0053] S6, frame protection: the conductive foam slices in step S5 are conveyed by a conveyor belt, and each conductive foam slice is sleeved with a UV wear-resistant frame 6, so that the UV wear-resistant frame 6 is sleeved around the conductive foam slice, thereby completing the processing of the heat-insulating conductive foam.

[0054] The hot pressing mechanism 7 of step S3 includes two hot pressing rollers 71 distributed up and down, and the hot pressing rollers 71 are rotatably mounted on the inner wall of the mounting cover 10. The outer ends of the two hot pressing rollers 71 are coaxially mounted with transmission gears a72, and the two transmission gears a72 are meshedly connected. A driving motor 73 coaxially mounted with the hot pressing rollers 71 at the bottom is provided on one side of the mounting cover 10.

[0055] The guiding and conveying glue coating mechanism 8 of step S3 includes two glue coating boxes 81 distributed up and down, the glue coating boxes 81 are fixed to the inner wall of the mounting frame 11, and glue coating rollers 82 are arranged between the opposite surfaces of the two glue coating boxes 81. The two glue coating rollers 82 are installed on the inner wall of the mounting frame 11 in an up and down rotation manner. The outer ends of the two glue coating rollers 82 are coaxially installed with transmission gears b83, and the two transmission gears b83 are meshed and connected. The outer ends of the hot pressing roller 71 located below and the adjacent glue coating rollers 82 are coaxially installed with transmission pulleys a84, and a transmission belt a85 is arranged between the outer surfaces of the two transmission pulleys a84. The outer sides of the two glue coating rollers 82 are provided with transmission gears that rotate with the mounting frame 11.

[0056] The connected guide rollers 86 have transmission gears c87 coaxially mounted on their outer surfaces, the two transmission gears c87 are meshingly connected, the upper glue coating roller 82 and the outer ends of the adjacent guide rollers 86 are coaxially mounted with transmission pulleys b88, and the outer surfaces of the two transmission pulleys b88 are provided with transmission belts b89.

[0057] The bottom horizontal section of the upper glue coating roller 82 and the adjacent guide roller 86 are the same horizontal section, the top horizontal section of the lower glue coating roller 82 and the adjacent guide roller 86 are the same horizontal section, and the height of the lower guide roller 86 is higher than the height of the conductive foam base layer 1 coil.

[0058] The glue removing and shaping mechanism 9 of step S4 includes two symmetrically distributed guide sleeves a91, a sliding rod a92 slides through the inner wall of the guide sleeve a91, a T-shaped rod 93 is fixed to the bottom end of the sliding rod a92, a sliding groove 94 is provided on the inner wall of the mounting cover 10 near the T-shaped rod 93, a plurality of glue removing wheels 95 rotatably connected to the inner wall of the T-shaped rod 93 are arranged inside the sliding groove 94, a collecting wheel 96 is rotatably connected to the inner wall of the mounting cover 10, a guide frame 97 fixed to the outer wall of the mounting cover 10 is arranged at the outer end of the collecting wheel 96, a collecting frame 98 fixed to the outer wall of the mounting cover 10 is arranged below the guide frame 97, a turntable 99 is coaxially installed on the outer end of the upper hot pressing roller 71, a rotating column 910 is fixed to the outer surface of the turntable 99, a limiting ring 911 is fixed to the end of one of the sliding rods a92, and the limiting ring 911 is sleeved on the rotating column 910 The outer surface of the mounting cover 10 is fixed with a shaping cover 912 at the outer end, and the outer wall of the shaping cover 912 is provided with moving grooves 913 which are symmetrically distributed. The outer end of the moving groove 913 is provided with a slider 914 which is slidably connected to the outer surface of the shaping cover 912. A shaping roller 915 is rotatably connected between the two sliders 914 located in the same horizontal direction. A connecting rod a916 is fixed between the slider 914 located at the top and the adjacent sliding rod a92. A guide sleeve b917 fixed to the outer wall of the mounting cover 10 is provided on one side of the collecting frame 98. An L-shaped rod 918 is slidably connected to the inner surface of the guide sleeve b917. One end of the L-shaped rod 918 is fixed to the slider 914 located below, and the other end of the L-shaped rod 918 is fixed to the bottom surface of the adjacent T-shaped rod 93.

[0059] The shaping roller 915 and the degumming wheel 95 are vertically arranged, the shaping roller 915 located at the top and the bottom horizontal section of the adjacent hot pressing roller 71 are in the same horizontal plane, and the shaping roller 915 located at the bottom and the adjacent hot pressing roller 71 are in the same horizontal plane.

[0060] The top horizontal sections of the pressing rollers 71 are on the same horizontal plane.

[0061] When the conductive foam base layer 1 and the heat insulation layer 2 of the conductive foam are pressed together, the conductive foam base layer 1 coil is placed on the mounting frame 11, and the heat insulation layer 2 coil provided with the conductive layer 3 and the shielding layer 5 is placed on the top of the mounting cover 10, and the untreated heat insulation layer 2 coil is placed on the bottom of the mounting cover 10, and the conductive foam base layer 1 and the heat insulation layer 2 are respectively pulled to the bottom of the hot pressing roller 71, at this time, through the drive of the driving motor 73, and through the transmission action of the transmission pulley a84, the transmission belt a85, the transmission pulley b88, the transmission belt b89, the transmission gear a72, the transmission gear b83 and the transmission gear c87, the guide roller 86, the glue coating roller 82 and the hot pressing roller 71 all move toward the center synchronously, which effectively saves energy consumption, and the correlation between the guide roller 86, the glue coating roller 82 and the hot pressing roller 71 is high, so that the conductive foam base layer 1 The coil is guided and conveyed by two guide rollers 86, and the top and bottom of the conductive foam base layer 1 are coated with glue by two glue coating rollers 82. The two heat insulation layer 2 coils are rolled up by two hot pressing rollers 71, and the two heat insulation layer 2 coils are contacted and pressed with the hot melt adhesive on the surface of the conductive foam base layer 1, so that the conductive foam base layer 1 and the heat insulation layer 2 complete the preliminary pressing process. When the hot pressing roller 71 performs the hot pressing conveying process, the turntable 99 and the rotating column 910 are driven to rotate synchronously, so that through the limiting cooperation of the limiting column and the rotating column 910, and through the connection between the connecting rod a916, the slider 914, the L-shaped rod 918 and the shaping roller 915, the glue removal wheel 95 in the T-shaped rod 93 reciprocates in the slide groove 94, and the heat insulation layer 2 and the conductive foam base layer 1 are pressed. The hot melt adhesive remaining after the hot pressing treatment is scraped off, and the limiting effect of the collecting wheel 96 allows the remaining hot melt adhesive to flow into the collecting frame 98 through the guide frame 97 for centralized collection and treatment. At the same time, the two shaping rollers 915 reciprocate in the moving groove 913 synchronously with the slider 914, and the conductive foam base layer 1 and the thermal insulation layer 2 are reshaped and de-glued again, thereby greatly improving the processing quality of the conductive foam. The conductive foam that has been hot-pressed, de-glued and shaped is punched and formed by a CNC machine tool, and then a UV wear-resistant frame 6 is set on its periphery, thereby further improving the processing quality of the conductive foam.

[0062] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A method for processing high temperature resistant and environmentally friendly conductive foam, characterized in that: The following steps are involved: S1. Conductive foam coil processing: polyethylene resin, conductive carbon black, antioxidant, flame retardant, foaming agent, sensitizer and coupling agent are sent to a high-temperature mixer in proportion through an automatic metering system, and a polymer conductive foam base layer (1) is formed through mixing, granulation, sheet extrusion, double-sided irradiation and foaming treatment, which is then rolled up to form a conductive foam base layer (1) coil; S2, heat insulation layer coil processing: select two rolls of polystyrene heat insulation layer (2) coils of the same specification, perform hot pressing and cutting on one of the polystyrene heat insulation layer (2) coils to form an installation groove (4), perform hot pressing and install the conductive layer (3) and the shielding layer (5) bonded and arranged in the installation groove (4), and perform a rolling process on the coils; S3, hot pressing forming: placing the conductive base coil formed in step S1 on the mounting frame (11), placing the untreated polystyrene insulation layer (2) coil in step S2 on the mounting cover (10), placing the polystyrene insulation layer (2) coil provided with the conductive layer (3) and the shielding layer (5) on the top of the mounting cover (10), subjecting it to hot pressing treatment by a hot pressing mechanism (7) provided between the mounting frame (11) and the mounting cover (10), and conveying the conductive foam base coil (1) to the hot pressing mechanism (7) by a guide conveying and gluing mechanism (8) coordinated with the hot pressing mechanism (7) for hot pressing forming treatment, thereby forming a conductive foam substrate; S4, glue removal and shaping: the conductive foam substrate that has been subjected to the hot pressing molding treatment is firstly subjected to glue removal and then to shaping by means of a glue removal and shaping mechanism (9) disposed on the mounting cover (10); S5, preheating and cutting: preheating the conductive foam substrate after the shaping process in step S4, and then punching and shaping it by a CNC machine tool to form conductive foam slices; S6, frame protection: the conductive foam slices in step S5 are conveyed by a conveyor belt, and the UV wear-resistant frame (6) is sleeved on each conductive foam slice, so that the UV wear-resistant frame (6) is sleeved on the outer periphery of the conductive foam slice, thereby completing the processing of the heat-insulating conductive foam; The hot pressing mechanism (7) of step S3 comprises two hot pressing rollers (71) which are arranged vertically, the hot pressing rollers (71) being rotatably mounted on the inner wall of the mounting cover (10), the outer ends of the two hot pressing rollers (71) being coaxially mounted with transmission gears a (72), the two transmission gears a (72) being meshingly connected, and a driving motor (73) coaxially mounted with the hot pressing rollers (71) at the bottom being provided on one side of the mounting cover (10); The guide conveying glue coating mechanism (8) of step S3 comprises two glue coating boxes (81) distributed vertically, the glue coating boxes (81) being fixed to the inner wall of the mounting frame (11), a glue coating roller (82) being arranged between the opposite surfaces of the two glue coating boxes (81), the two glue coating rollers (82) being mounted on the inner wall of the mounting frame (11) so as to rotate vertically, the outer ends of the two glue coating rollers (82) being coaxially mounted with a transmission gear b (83), the two transmission gears b (83) being meshingly connected, the outer ends of the hot pressing roller (71) located below and the adjacent glue coating roller (82) being coaxially mounted with a transmission pulley a (84), a transmission belt a (85) being arranged between the outer surfaces of the two transmission pulleys a (84), and the outer sides of the two glue coating rollers (82) being arranged with a transmission belt. There is a guide roller (86) rotatably connected to the mounting frame (11), the outer surfaces of the two guide rollers (86) are coaxially mounted with a transmission gear c (87), the two transmission gears c (87) are meshingly connected, the outer ends of the upper glue coating roller (82) and the adjacent guide roller (86) are coaxially mounted with a transmission pulley b (88), and the outer surfaces of the two transmission pulleys b (88) are provided with a transmission belt b (89); the bottom horizontal section of the upper glue coating roller (82) and the adjacent guide roller (86) are the same horizontal section, the top horizontal section of the lower glue coating roller (82) and the adjacent guide roller (86) are the same horizontal section, and the height of the lower guide roller (86) is higher than the height of the conductive foam base (1) coil; The glue removal and shaping mechanism (9) of step S4 comprises two symmetrically distributed guide sleeves a (91), the inner wall of the guide sleeve a (91) is slidably penetrated by a sliding rod a (92), the bottom end of the sliding rod a (92) is fixed with a T-shaped rod (93), the mounting cover (10) is provided with a slide groove (94) near the inner wall of the T-shaped rod (93), the interior of the slide groove (94) is provided with a plurality of glue removal wheels (95) rotatably connected to the inner wall of the T-shaped rod (93), and the inner wall of the slide groove (94) is provided with a plurality of glue removal wheels (95) rotatably connected to the inner wall of the T-shaped rod (93). A collecting wheel (96) is rotatably connected, and a guide frame (97) fixed to the outer wall of the mounting cover (10) is provided at the outer end of the collecting wheel (96), and a collecting frame (98) fixed to the outer wall of the mounting cover (10) is provided below the guide frame (97). A rotating disk (99) is coaxially mounted on the outer end of the hot pressing roller (71) located above, and a rotating column (910) is fixed to the outer surface of the rotating disk (99), wherein a limiting ring (911) is fixed to the end of one of the sliding rods a (92). The limiting ring (911) is sleeved on the outer surface of the rotating column (910), and a shaping cover (912) is fixed to the outer end of the mounting cover (10). The outer wall of the shaping cover (912) is provided with symmetrically distributed moving grooves (913). The outer end of the moving groove (913) is provided with a slider (914) slidably connected to the outer surface of the shaping cover (912). A shaping roller (915) is rotatably connected between two sliders (914) located in the same horizontal direction. The sliders (914) located at the top are provided with a slider (914) slidably connected to the outer surface of the shaping cover (912). A connecting rod a (916) is fixed between the slider (914) and the adjacent sliding rod a (92), and a guide sleeve b (917) fixed to the outer wall of the mounting cover (10) is provided on one side of the collecting frame (98), and an L-shaped rod (918) is slidably connected to the inner surface of the guide sleeve b (917), one end of the L-shaped rod (918) is fixed to the slider (914) located below, and the other end of the L-shaped rod (918) is fixed to the bottom surface of the adjacent T-shaped rod (93).

2. A method for processing a high temperature resistant and environmentally friendly conductive foam according to claim 1, characterized in that: The shaping roller (915) is vertically arranged with the rubber removal wheel (95), the bottom horizontal section of the shaping roller (915) located above and the adjacent hot pressing roller (71) are in the same horizontal plane, and the top horizontal section of the shaping roller (915) located below and the adjacent hot pressing roller (71) are in the same horizontal plane.

3. The method for processing a high temperature resistant and environmentally friendly conductive foam according to claim 1, characterized in that: It comprises a conductive foam base layer (1), and the conductive foam base layer (1) further comprises A heat insulation layer (2), wherein two heat insulation layers (2) are provided, and the two heat insulation layers (2) are symmetrically arranged on the top surface and the bottom surface of the conductive foam base layer (1), and hot melt adhesive is arranged between the heat insulation layer (2) and the conductive foam base layer (1); A conductive layer (3), a mounting groove (4) is provided at the center of the thermal insulation layer (2) at the top, the conductive layer (3) is arranged on the bottom outer surface of the mounting groove (4), and a shielding layer (5) bonded to the inner wall of the mounting groove (4) is arranged above the conductive layer (3); A UV wear-resistant frame (6), the UV wear-resistant frame (6) is distributed in a rectangular shape on the outer surface of the conductive foam base layer (1), and the height of the UV wear-resistant frame (6) is equal to the height between the two heat insulation layers (2).

4. The method for processing a high temperature resistant and environmentally friendly conductive foam according to claim 1, characterized in that: The conductive foam base layer (1) comprises the following raw materials: polyethylene resin, conductive carbon black, antioxidant, flame retardant, foaming agent, sensitizer and coupling agent.

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