CN109940295A - High power lathe preventing hot deformation structure - Google Patents
High power lathe preventing hot deformation structure Download PDFInfo
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- CN109940295A CN109940295A CN201910329166.0A CN201910329166A CN109940295A CN 109940295 A CN109940295 A CN 109940295A CN 201910329166 A CN201910329166 A CN 201910329166A CN 109940295 A CN109940295 A CN 109940295A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention relates to a kind of high power lathe preventing hot deformation structures, including left frame body and right framework, the central sill through left frame body and right framework is provided between the left frame body and right framework, the left frame body is provided with multiple air doors through left frame body, the right framework is again provided with multiple multiple air doors through right framework, the same ventilation duct is provided in multiple air doors in the same side, reinforcer that is multiple while running through left frame body and right framework is fixedly connected between the left frame body and right framework, the reinforcer includes the double-deck square tube being distributed vertically, the bilayer square tube is provided with the thick graphite plate for being coated on the double-deck square tube side, triangular shape is set as at the top of the thickness graphite plate, the left frame body and the right framework are respectively connected with the shakeless deckle in double-deck square tube two sides, it is fixedly connected with above each shakeless deckle and thickness The inclined plate that graphite plate is fixedly connected.The present invention has the advantages that high temperature resistant and prevents thermal deformation.
Description
Technical field
The present invention relates to laser cutting device technical fields, and in particular to a kind of high power lathe preventing hot deformation structure.
Background technique
The lathe bed component used in laser cutting machine, the frame-type mechanism for mostly using carbon steel to weld.To enhance intensity, bed
Body middle position must have through the structure connection left frame body of left and right and right framework, to form enclosed construction, referred to as central sill；Together
When be disposed with the needs such as air door in home record left and right sides and protect the mechanism blocked.In laser cutting process, central sill and left and right sides machine
Structure is exposed in laser beam, especially in high-power cutting machine, the application of high power laser light, to the pedestal of laser cutting machine tool
Protection proposes new requirement, otherwise under the working long hours of high power laser light, otherwise working long hours in high power laser light
Under, lathe base is easily damaged, and keeps lathe bed impaired, mechanism loss of function has much room for improvement.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of high power lathe preventing hot deformation knot
Structure has the advantages that high temperature resistant and prevents thermal deformation.
To achieve the above object, the present invention provides the following technical scheme that a kind of high power lathe preventing hot deformation structure, packet
Left frame body and right framework are included, the central sill through left frame body and right framework, the left side are provided between the left frame body and right framework
Framework is provided with multiple air doors through left frame body, and the right framework is again provided with multiple multiple air doors through right framework,
It is provided with the same ventilation duct in multiple air doors in the same side, is fixedly connected between the left frame body and right framework multiple
Run through the reinforcer of left frame body and right framework simultaneously, the reinforcer includes the double-deck square tube being distributed vertically, the bilayer square tube
Be provided with the thick graphite plate for being coated on the double-deck square tube side, be set as triangular shape, the left frame at the top of the thickness graphite plate
Body and the right framework are respectively connected with the shakeless deckle in double-deck square tube two sides, are fixedly connected with above each shakeless deckle
The inclined plate being fixedly connected with thick graphite plate.
By using above-mentioned technical proposal, using the double-deck rhs-structure, and square tube is continuously connected to the outermost layer of lathe bed
It makes whole, and thick graphite plate is set in the top of the double-deck square tube and is protected, structural stability can be effectively ensured,
It can effectively prevent laser damage lathe bed central sill and left frame body and right framework.The setting of air door can enhance circulation to which enhancing dissipates
Hot, in addition ventilation duct can not only provide a supporting role, and ventilation duct can play the role of guiding to the flow direction of wind, if
In one end of ventilation duct, setting air blower can further enhance air permeability.Shakeless deckle can enhance the double-deck square tube and be in left frame body
Stability when between right framework can further enhance the stability between shakeless deckle and the double-deck square tube using inclined plate, increase
The heat resistanceheat resistant deformability of strong bilayer square tube.
The present invention is further arranged to: the both ends of the bilayer square tube are provided with clamping element, and the clamping element includes set
The concavity plate in double-deck square tube one end is connect, the opening of the concavity plate is provided with multiple skewbacks, and the end face of the concavity plate is set
It sets there are two the first groove about the distribution of concavity plate axial line, the concavity plate is threaded with the in the first groove
One threaded rod, one end of each first threaded rod are connected with the first disk, two relatively parallel sides of the concavity plate
Face is threaded with second threaded rod vertical with the first screw rod, and one end of each second threaded rod is connected with
Two disks.
By using above-mentioned technical proposal, two concavity boards are entered to the both ends of the double-deck square tube, skewback energy during this
Enough play the role of guiding, double-layer square pipe clamp is facilitated to enter in concavity plate, realize the purpose of the two clamping, the second threaded rod of rotation is straight
The surface that the double-deck square tube is squeezed to the second threaded rod further strengthens the bonding strength of concavity plate and the double-deck square tube.It additionally needs
When concavity plate being allowed to separate with the double-deck square tube, the first threaded rod of rotation allows the first threaded rod to move along the direction of axis line of itself in turn
Dynamic, when the first threaded rod squeezes the surface of square tube, the first threaded rod can allow concavity plate to separate with the double-deck square tube to easily
Take out concavity plate.
The present invention is further arranged to: it is provided with cylindric expanding block on the inside of the top of the thickness graphite plate, it is described
Expanding block is made of the big material of thermal expansion coefficient.
By using above-mentioned technical proposal, it is easy to be recessed inwardly to influence self structure when thick graphite plate is heated, and it is swollen
Expansion block expanded by heating is to support thick graphite plate from inside outwardly against thick graphite plate.
The present invention is further arranged to: the bilayer square tube is equipped with connecting rod, and drive is socketed in the middle part of the connecting rod
Moving gear, the driving gear are engaged with the rack gear parallel with thick graphite plate, and the rack gear is fixedly connected with for squeezing left frame
Body and right framework and graphite plate is blocked above thick graphite plate.
By using above-mentioned technical proposal, rotates connecting rod and drive the rotation of sliding tooth wheel and then the movement with carry-over bar, tooth
The movement of item, which is able to drive, blocks graphite plate movement to increase area coverage.
The present invention is further arranged to: the bottom of the central sill is equipped with revolving part, and the revolving part includes turning with central sill
The rotation axis of dynamic connection, the bottom of the rotation axis is connected with the disk inside central sill, the top of the rotation axis
It is connected with spill spin block, there are gaps for the bottom of the revolving part and central sill.
By using above-mentioned technical proposal, when having air circulation or extraneous air blast, disk will be around itself axis
Heart line rotates and then drives rotation axis rotation, as the rotation of rotation axis is able to drive spill spin block rotation, so as to drive weight
Air inside amount is shifted towards the direction of air door, accelerates the air passage rates inside weight.
Preferably, according to components by weight percent, the thickness graphite plate includes body layer and thermal insulation layer, and the body layer includes stone
62-73 parts of ink powder, 30-40 parts of polyethylene terephthalate, 15-24 parts of copper carbon fiber, 3-7 parts of lead powder, nickel powder 10-20
Part, 0.5-1 parts of cobalt powder；Thermal insulation layer includes 20-30 parts of asbestos, 20-30 parts of high silica wool, 10-20 parts of glass fibre cotton, acrylic acid
5-7 parts of resin.
Preferably, the thermal insulation layer is provided with barrier layer far from the side of body layer, and the barrier layer is internally provided with
The cavity of vacuum, according to parts by weight, the barrier layer is by 20-25 parts of polypropylene, 30-36 parts of graphene and melamine 70-
80 parts of compositions.
It is a further object to provide a kind of preparation methods of thick graphite plate, include the following steps,
Step A: weighing each component according to parts by weight, by graphite powder, polyethylene terephthalate, copper carbon fiber, lead powder,
Nickel powder, cobalt powder melt under conditions of 300-400 DEG C and pass through extruder film extrusion, carry out laterally under conditions of 150 DEG C
With longitudinal stretching, body layer is obtained；
Step B: asbestos, high silica wool, glass fibre cotton, acrylic resin are melted and is passed through under conditions of 300-400 DEG C
Extruder film extrusion carries out horizontal and vertical stretching under conditions of 150 DEG C, obtains thermal insulation layer；
Step C: polypropylene part, graphene part and melamine are melted under conditions of 300-400 DEG C and squeezed by extruder
It forms a film out, carries out horizontal and vertical stretching under conditions of 150 DEG C, obtain barrier layer；
Step D: smearing polyurethane in the side of body layer, thermal insulation layer be covered on to the side of body layer by heat pressing process,
Polyurethane is smeared in the side of thermal insulation layer, barrier layer is covered on to the side of thermal insulation layer by heat pressing process, in 260-275 DEG C of item
Thick graphite plate can be obtained in thermal finalization under part.
In conclusion the invention has the following advantages:
1, the present invention is using the double-deck rhs-structure, and square tube is continuously connected to the outermost layer of lathe bed and makes whole, and
The top of the double-deck square tube is arranged thick graphite plate and is protected, and structural stability can be effectively ensured, it is broken also to can effectively prevent light beam
Bad lathe bed central sill and left frame body and right framework.The setting of air door can enhance circulation to enhancing thermal diffusivity, in addition ventilation duct
It can not only provide a supporting role, and ventilation duct can play the role of guiding to the flow direction of wind, if in one end of ventilation duct
Setting air blower can further enhance air permeability.When shakeless deckle can enhance the double-deck square tube and be between left frame body and right framework
Stability, the stability between shakeless deckle and the double-deck square tube can be further enhanced using inclined plate, enhance the anti-of the double-deck square tube
Thermal deformation ability.
2, graphite powder, polyethylene terephthalate, copper carbon fiber, lead powder, nickel are added in thick graphite plate of the invention
Powder, cobalt powder improve solar heat protection deformability, and in addition adding thermal insulation layer includes asbestos, high silica wool, glass fibre cotton, acrylic acid tree
Rouge further enhances solar heat protection deformability.
3, the present invention is improved the heat-insulating capability of thick graphite plate and then is enhanced thermal stability using the nickel powder of big weight ratio,
Further enhance the solar heat protection deformability of thick graphite plate.
4, the present invention, which adds, barrier layer, using vacuum structure, the coefficient of heat conduction is reduced, by polypropylene, graphene and three
Poly cyanamid is constituted, and enhances integral strength.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that embodiment removes clamping element, blocks graphite plate；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2；
Fig. 4 is the cross-sectional view of central sill in embodiment；
Fig. 5 be in embodiment the double-deck square tube, concavity plate, skewback, the first groove, the first threaded rod, the first disk, the second disk it
Between connection relationship structural schematic diagram.
Appended drawing reference: 1, left frame body；2, right framework；3, central sill；4, air door；5, ventilation duct；6, the double-deck square tube；7, thick graphite
Plate；8, shakeless deckle；9, inclined plate；10, concavity plate；11, skewback；12, the first groove；13, the first threaded rod；14, the first disk；
16, the second disk；17, expanding block；18, connecting rod；19, gear is driven；21, graphite plate is blocked；22, rotation axis；23, disk；
24, spill spin block.
Specific embodiment
Referring to attached drawing, the present invention will be further described.
Embodiment 1: a kind of high power lathe preventing hot deformation structure, as Figure 1-Figure 5, including left frame body 1 and right framework
2, it is provided between the left frame body 1 and right framework 2 through left frame body 1 and the central sill of right framework 23, the left frame body 1 is provided with
Through multiple air doors 4 of left frame body 1, the right framework 2 is again provided with multiple multiple air doors 4 through right framework 2, in same
It is provided with the same ventilation duct 5 in multiple air doors 4 of side, is fixedly connected between the left frame body 1 and right framework 2 multiple same
When through left frame body 1 and right framework 2 reinforcer, the reinforcer includes the double-deck square tube 6 being distributed vertically, it is described bilayer square tube
6 are provided with the thick graphite plate 7 for being coated on double-deck 6 side of square tube, and the top of the thickness graphite plate 7 is set as triangular shape, described
Left frame body 1 and the right framework 2 are respectively connected with the shakeless deckle 8 in 6 two sides of the double-deck square tube, the top of each shakeless deckle 8
It is fixedly connected with the inclined plate 9 being fixedly connected with thick graphite plate 7.
The both ends of the bilayer square tube 6 are provided with clamping element, and the clamping element includes being socketed in double-deck 6 one end of square tube
Concavity plate 10, the opening of the concavity plate 10 are provided with multiple skewbacks 11, and each skewback 11 is set as triangular shape, double-layer square
When pipe 6 and concavity plate 10 are clamped, the double-deck square tube 6 is provided with the triangular groove agreed with skewback 11.The end face of the concavity plate 10 is set
It sets there are two the first groove 12 about the distribution of 10 axial line of concavity plate, the concavity plate 10 is threaded in the first groove
The first threaded rod 13 in 12, one end of each first threaded rod 13 are connected with the first disk 14, the concavity plate 10
Two relatively parallel sides are threaded with second threaded rod vertical with the first threaded rod 13, each second screw thread
One end of bar is connected with the second disk 16.
It is provided with cylindric expanding block 17 on the inside of the top of the thickness graphite plate 7, the expanding block 17 is by thermally expanding
The big material of coefficient is constituted.
The bilayer square tube 6 is equipped with connecting rod 18, and the middle part of the connecting rod 18 is socketed with driving gear 19, the drive
Moving gear 19 is engaged with the rack gear parallel with thick graphite plate 7, and the rack gear is fixedly connected with for squeezing left frame body 1 and right framework
2 and graphite plate 21 is blocked in thick 7 top of graphite plate.
The bottom of the central sill 3 is equipped with revolving part, and the revolving part includes the rotation axis 22 being rotatablely connected with central sill 3,
The bottom of the rotation axis 22 is connected with the disk 23 inside central sill 3, the integral middle connection of the rotation axis 22
There is a spill spin block 24, there are gaps for the bottom of the revolving part and central sill 3.
According to components by weight percent, the thickness graphite plate includes body layer and thermal insulation layer, and the body layer includes graphite powder 62
Part, 300 parts of polyethylene terephthalate, 15 parts of copper carbon fiber, 3 parts of lead powder, 10 parts of nickel powder, 0.5 part of cobalt powder；Thermal insulation layer packet
Include 20 parts of asbestos, 20 parts of high silica wool, 10 parts of glass fibre cotton, 5 parts of acrylic resin.
The thermal insulation layer is provided with barrier layer, the sky for being internally provided with vacuum of the barrier layer far from the side of body layer
Chamber, according to parts by weight, the barrier layer are made of 20 parts of polypropylene, 30 parts of graphene and 70 parts of melamine.
A kind of preparation side's method of thickness graphite plate, includes the following steps,
Step A: weighing each component according to parts by weight, by graphite powder, polyethylene terephthalate, copper carbon fiber, lead powder,
Nickel powder, cobalt powder melt under conditions of 300-400 DEG C and pass through extruder film extrusion, carry out laterally under conditions of 150 DEG C
With longitudinal stretching, body layer is obtained；
Step B: asbestos, high silica wool, glass fibre cotton, acrylic resin are melted and is passed through under conditions of 300-400 DEG C
Extruder film extrusion carries out horizontal and vertical stretching under conditions of 150 DEG C, obtains thermal insulation layer；
Step C: polypropylene part, graphene part and melamine are melted under conditions of 300-400 DEG C and squeezed by extruder
It forms a film out, carries out horizontal and vertical stretching under conditions of 150 DEG C, obtain barrier layer；
Step D: smearing polyurethane in the side of body layer, thermal insulation layer be covered on to the side of body layer by heat pressing process,
Polyurethane is smeared in the side of thermal insulation layer, barrier layer is covered on to the side of thermal insulation layer by heat pressing process, in 260-275 DEG C of item
Thick graphite plate can be obtained in thermal finalization under part.
Embodiment 2: the difference from embodiment 1 is that,
According to components by weight percent, the thickness graphite plate includes body layer and thermal insulation layer, and the body layer includes 68 parts of graphite powder, gathers
35 parts of ethylene terephthalate, 20 parts of copper carbon fiber, 5 parts of lead powder, 15 parts of nickel powder, 0.75 part of cobalt powder；Thermal insulation layer includes stone
25 parts of cotton, 25 parts of high silica wool, 15 parts of glass fibre cotton, 6 parts of acrylic resin.
The thermal insulation layer is provided with barrier layer, the sky for being internally provided with vacuum of the barrier layer far from the side of body layer
Chamber, according to parts by weight, the barrier layer are made of 23 parts of polypropylene, 33 parts of graphene and 75 parts of melamine.
A kind of preparation side's method of thickness graphite plate, includes the following steps,
Step A: weighing each component according to parts by weight, by graphite powder, polyethylene terephthalate, copper carbon fiber, lead powder,
Nickel powder, cobalt powder melt under conditions of 300-400 DEG C and pass through extruder film extrusion, carry out laterally under conditions of 150 DEG C
With longitudinal stretching, body layer is obtained；
Step B: asbestos, high silica wool, glass fibre cotton, acrylic resin are melted and is passed through under conditions of 300-400 DEG C
Extruder film extrusion carries out horizontal and vertical stretching under conditions of 150 DEG C, obtains thermal insulation layer；
Step C: polypropylene part, graphene part and melamine are melted under conditions of 300-400 DEG C and squeezed by extruder
It forms a film out, carries out horizontal and vertical stretching under conditions of 150 DEG C, obtain barrier layer；
Step D: smearing polyurethane in the side of body layer, thermal insulation layer be covered on to the side of body layer by heat pressing process,
Polyurethane is smeared in the side of thermal insulation layer, barrier layer is covered on to the side of thermal insulation layer by heat pressing process, in 260-275 DEG C of item
Thick graphite plate can be obtained in thermal finalization under part.
Embodiment 3: the difference from embodiment 1 is that,
According to components by weight percent, the thickness graphite plate includes body layer and thermal insulation layer, the body layer include 673 parts of graphite powder,
40 parts of polyethylene terephthalate, 24 parts of copper carbon fiber, 7 parts of lead powder, 20 parts of nickel powder, 1 part of cobalt powder；Thermal insulation layer includes asbestos
30 parts, 30 parts of high silica wool, 20 parts of glass fibre cotton, 7 parts of acrylic resin.
The thermal insulation layer is provided with barrier layer, the sky for being internally provided with vacuum of the barrier layer far from the side of body layer
Chamber, according to parts by weight, the barrier layer are made of polipropene 25 part, 36 parts of graphene and 80 parts of melamine.
A kind of preparation side's method of thickness graphite plate, includes the following steps,
Step A: weighing each component according to parts by weight, by graphite powder, polyethylene terephthalate, copper carbon fiber, lead powder,
Nickel powder, cobalt powder melt under conditions of 300-400 DEG C and pass through extruder film extrusion, carry out laterally under conditions of 150 DEG C
With longitudinal stretching, body layer is obtained；
Step B: asbestos, high silica wool, glass fibre cotton, acrylic resin are melted and is passed through under conditions of 300-400 DEG C
Extruder film extrusion carries out horizontal and vertical stretching under conditions of 150 DEG C, obtains thermal insulation layer；
Step C: polypropylene part, graphene part and melamine are melted under conditions of 300-400 DEG C and squeezed by extruder
It forms a film out, carries out horizontal and vertical stretching under conditions of 150 DEG C, obtain barrier layer；
Step D: smearing polyurethane in the side of body layer, thermal insulation layer be covered on to the side of body layer by heat pressing process,
Polyurethane is smeared in the side of thermal insulation layer, barrier layer is covered on to the side of thermal insulation layer by heat pressing process, in 260-275 DEG C of item
Thick graphite plate can be obtained in thermal finalization under part.
Comparative example 1: commercially available common graphite plate.
Comparative example 2: the difference from example 2 is that, the nickel powder in the body layer is 5 parts.
Comparative example 3: the difference from example 2 is that, remove barrier layer.
Comparative example 4: the difference from example 2 is that, the barrier layer is made of polipropene 25 part, 36 parts of graphene.
Test experiments:
By embodiment 1-3, finished product made from comparative example 1-4 is placed in 80 DEG C, 130 DEG C, 160 DEG C of the constant temperature water surface, by infrared
Measuring instrument carries out temperature test to its back side,
Obtain table 1:
Note: temperature difference (difference DEG C of side and room temperature of each finished product far from the water surface)
Barrier layer and the nickel powder of large dosage can enhance whole heat insulation as can be seen from Table 1, in addition melamine energy
Enough enhance graphene and polyacrylic thermal insulation, and whole structure can be enhanced.By the comparison of embodiment 2 and comparative example 1,
It can be found that the thick graphite plate in the present invention has better thermal insulation relative to market graphite plate and then has stronger solar heat protection
Deformability.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, all in design structure of the invention
Within think of, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of high power lathe preventing hot deformation structure, including left frame body (1) and right framework (2), the left frame body (1) and right frame
The central sill (3) through left frame body (1) and right framework (2) is provided between body (2), it is characterised in that: left frame body (1) setting
There are multiple air doors (4) through left frame body (1), the right framework (2) is again provided with multiple multiple wind through right framework (2)
Door (4), multiple air doors (4) in the same side are interior to be provided with the same ventilation duct (5), the left frame body (1) and right framework (2)
Between be fixedly connected with it is multiple and meanwhile run through left frame body (1) and right framework (2) reinforcer, the reinforcer include vertically be distributed
The double-deck square tube (6), the bilayer square tube (6) is provided with the thick graphite plate (7) for being coated on the double-deck square tube (6) side, described
Triangular shape is set as at the top of thick graphite plate (7), the left frame body (1) and the right framework (2) are respectively connected in double-layer square
The shakeless deckle (8) for managing (6) two sides is fixedly connected with above each shakeless deckle (8) and is fixedly connected with thickness graphite plate (7)
Inclined plate (9).
2. high power lathe preventing hot deformation structure according to claim 1, it is characterised in that: the bilayer square tube (6)
Both ends are provided with clamping element, and the clamping element includes the concavity plate (10) for being socketed in the double-deck square tube (6) one end, the concavity plate
(10) opening is provided with multiple skewbacks (11), and there are two about concavity plate (10) axis for the end face setting of the concavity plate (10)
The first groove (12) of heart line distribution, the concavity plate (10) are threaded with the first threaded rod in the first groove (12)
(13), one end of each first threaded rod (13) is connected with the first disk (14), and two of the concavity plate (10) are opposite
Parallel side is threaded with second threaded rod vertical with the first screw rod, one end one of each second threaded rod
It is connected with the second disk (16).
3. high power lathe preventing hot deformation structure according to claim 1, it is characterised in that: the thickness graphite plate (7)
Cylindric expanding block (17) is provided on the inside of top, the expanding block (17) is made of the big material of thermal expansion coefficient.
4. high power lathe preventing hot deformation structure according to claim 2, it is characterised in that: the bilayer square tube (6) is worn
Equipped with connecting rod (18), driving gear (19) is socketed in the middle part of the connecting rod (18), the driving gear (19) is engaged with
The rack gear parallel with thick graphite plate (7), the rack gear are fixedly connected with for squeezing left frame body (1) and right framework (2) and being in
Graphite plate (21) are blocked above thick graphite plate (7).
5. according to high power lathe preventing hot deformation structure described in claim 1, it is characterised in that: the bottom of the central sill (3)
It is equipped with revolving part, the revolving part includes the rotation axis (22) with central sill (3) rotation connection, the bottom of the rotation axis (22)
It is connected with the disk (23) internal in central sill (3), the integral middle of the rotation axis (22) is connected with spill spin block (24),
There are gaps for the bottom of the revolving part and central sill (3).
6. high power lathe preventing hot deformation structure according to claim 1, it is characterised in that: described according to components by weight percent
Thick graphite plate includes body layer and thermal insulation layer, and the body layer includes 62-73 parts of graphite powder, polyethylene terephthalate
30-40 parts, 15-24 parts of copper carbon fiber, 3-7 parts of lead powder, 10-20 parts of nickel powder, 0.5-1 parts of cobalt powder；Thermal insulation layer includes asbestos 20-
30 parts, 20-30 parts of high silica wool, 10-20 parts of glass fibre cotton, 5-7 parts of acrylic resin.
7. the preparation method of thickness graphite plate according to claim 6, it is characterised in that: the thermal insulation layer is far from body layer
Side is provided with barrier layer, and the cavity for being internally provided with vacuum of the barrier layer, according to parts by weight, the barrier layer is by gathering
20-25 parts of propylene, 30-36 parts of graphene and 70-80 parts of melamine compositions.
8. a kind of preparation method of the thick graphite plate as described in right 6, it is characterised in that: include the following steps,
Step A: weighing each component according to parts by weight, by graphite powder, polyethylene terephthalate, copper carbon fiber, lead powder,
Nickel powder, cobalt powder melt under conditions of 300-400 DEG C and pass through extruder film extrusion, carry out laterally under conditions of 150 DEG C
With longitudinal stretching, body layer is obtained；
Step B: asbestos, high silica wool, glass fibre cotton, acrylic resin are melted and is passed through under conditions of 300-400 DEG C
Extruder film extrusion carries out horizontal and vertical stretching under conditions of 150 DEG C, obtains thermal insulation layer；
Step C: polypropylene part, graphene part and melamine are melted under conditions of 300-400 DEG C and squeezed by extruder
It forms a film out, carries out horizontal and vertical stretching under conditions of 150 DEG C, obtain barrier layer；
Step D: smearing polyurethane in the side of body layer, thermal insulation layer be covered on to the side of body layer by heat pressing process,
Polyurethane is smeared in the side of thermal insulation layer, barrier layer is covered on to the side of thermal insulation layer by heat pressing process, in 260-275 DEG C of item
Thick graphite plate can be obtained in thermal finalization under part.
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