CN111976239A - Compound heat conduction graphite flake and rolling press device - Google Patents
Compound heat conduction graphite flake and rolling press device Download PDFInfo
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- CN111976239A CN111976239A CN202010825398.8A CN202010825398A CN111976239A CN 111976239 A CN111976239 A CN 111976239A CN 202010825398 A CN202010825398 A CN 202010825398A CN 111976239 A CN111976239 A CN 111976239A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
Abstract
The invention discloses a composite heat-conducting graphite sheet and a rolling device in the technical field of composite heat-conducting graphite sheets, which comprises a frame body and a bottom plate, the top parts of the outer walls of the front side and the rear side of the frame body are respectively provided with a slot, the press roller is positioned in the inner cavity of the frame body, the front side of the outer wall at the bottom of the slide block at the front side is provided with a movable block, the movable block is positioned on the front end face of the frame body, the mounting plates are welded at the tops of the outer walls of the left side and the right side of the frame body, the heat-insulating foamed resin layer, the first graphite layer, the second graphite layer, the heat-conducting pressure-sensitive adhesive layer, the acrylate adhesive layer and the release film layer are sequentially adhered, and then two groups of U-shaped mounting pieces are bonded on two sides to form a composite graphite sheet, the composite graphite sheet is higher in heat conduction and heat dissipation performance compared with a simple covering film, the driving motor drives the press roller to roll the composite graphite sheet, glue and air bubbles are discharged from the glue discharging hole, and the heat conduction and heat dissipation performance of the composite graphite sheet can be further improved.
Description
Technical Field
The invention relates to the technical field of composite heat-conducting graphite flakes, in particular to a composite heat-conducting graphite flake and a rolling device.
Background
The electronic products often adopt graphite heat radiating fins as the preferred materials for solving the problems of heat conduction and heat radiation of the electronic products, the graphite heat radiating fins not only have good heat conduction and heat radiation performance, the heat dissipation is uniform, so that the objects around the graphite heat dissipation sheet are certainly influenced, the use functions of the objects around the graphite heat dissipation sheet are easily influenced, and the service life of the objects around the graphite heat dissipation sheet is even shortened, generally, a thin film is adhered to one surface of the graphite heat dissipation sheet, the thin film is used for protecting the graphite heat dissipation sheet, the adhesion is usually realized by glue, however, the simple film coating structure is simple, the heat dissipation and protection effects are not greatly facilitated, gaps with different degrees exist between the film adhered by the glue and the graphite heat dissipation fins, the gaps are filled with air, the thermal resistance of air reduces the heat conduction and radiation performance of the graphite radiating fins at the position of the adhered film, and therefore, a composite heat conduction graphite sheet and a rolling device are provided.
Disclosure of Invention
The present invention is directed to a composite heat conductive graphite sheet and a rolling device, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a composite heat-conducting graphite sheet and rolling device comprises a frame body and a bottom plate, wherein handles are arranged on the left side and the right side of the outer wall of the top of the frame body, grooves are formed in the tops of the outer walls of the front side and the rear side of the frame body, sliding blocks are arranged in the grooves in a sliding mode, a mounting hole is formed in the center of the front end face of each sliding block, a bearing is arranged in the mounting hole, two groups of bearing inner rings are provided with rotating shafts, a compression roller is arranged at one opposite end of each rotating shaft, the compression roller is positioned in an inner cavity of the frame body, a movable block is arranged on the front side of the outer wall of the bottom of each sliding block at the front side, mounting plates are welded at the tops of the outer walls of the left side and the right side of the mounting plates, a driving motor is, the framework bottom outer wall left and right sides all is equipped with the wedge, bottom plate top outer wall be equipped with wedge matched with slot, the framework inner chamber is equipped with compound graphite flake, the compression roller is located compound graphite flake top, both sides outer wall all is equipped with leaks gluey recess with compound graphite flake matched with around the framework, and is two sets of leak gluey hole that link up around the equidistance is equipped with about leaking the relative one side inner wall of gluey recess.
Further, the outer wall of the top of the bottom plate and the outer sides of the joints of the two groups of slots are respectively provided with a connecting plate, the outer wall of the left side of the connecting plate is movably inserted with a front sliding rod and a rear sliding rod, the front sliding rod and the rear sliding rod are respectively provided with a positioning block at one side close to the frame body, the outer wall of each sliding rod is sleeved with a spring, two ends of each spring are respectively fixedly connected with the positioning block and the connecting plate, and the bottom of the outer wall of the left side.
Further, compound graphite flake includes two sets of U type installed parts, and is two sets of U type installed part inner chamber from top to bottom installs thermal-insulated foaming resin layer, first graphite layer, second graphite layer, heat conduction pressure sensitive adhesive layer, acrylate adhesive layer in proper order and leaves the type rete, it sets up the multiunit to let out the equidistance from top to bottom of gluey recess, it is located thermal-insulated foaming resin layer and first graphite layer, first graphite layer and second graphite layer, second graphite layer and heat conduction pressure sensitive adhesive layer, heat conduction pressure sensitive adhesive layer and acrylate adhesive layer, acrylate adhesive layer and the junction of leaving the type rete respectively to let out gluey recess.
Further, first graphite layer and second graphite layer structure are the same, first graphite layer includes the former membrane of PET, the flange is installed to former membrane of PET to inner wall bottom, former membrane of PET is pegged graft to the activity of inner wall and is had the graphite flake, the silica gel protection film is installed at the former membrane top of PET, former membrane top outer wall four corners of PET all is equipped with the counterpoint post, the silica gel protection film be equipped with counterpoint post matched with constant head tank, the outside of silica gel protection film top outer wall and constant head tank junction is equipped with the injecting glue groove.
Further, first graphite layer, second graphite layer back of the body one side of the back of the body equidistance about are equipped with anti-skidding dogtooth, thermal-insulated foamed resin layer is equipped with anti-skidding recess with the relative one side of heat conduction pressure sensitive adhesive layer.
Further, U type installed part includes metal U template, and metal U template inner chamber is equipped with heat conduction silica gel layer, the relative one side of first graphite layer, second graphite layer is crisscross to be equipped with anti-skidding sand grip and anti-skidding recess.
Further, a method for using the composite heat-conducting graphite sheet and the rolling device comprises the following steps:
s1: firstly, placing a graphite sheet into an inner cavity of a PET original film, then injecting glue into a glue injection groove, fixing an alignment column and the PET original film on a silica gel protective film, then sequentially gluing a heat insulation foaming resin layer, a first graphite layer, a second graphite layer, a heat conduction pressure-sensitive adhesive layer, an acrylate adhesive layer and a release film layer, and then adhering two groups of U-shaped mounting pieces on two sides to form a composite graphite sheet;
s2: after the operation of S1 is finished, the composite graphite sheet is placed at the top of the bottom plate, the frame body is sleeved on the outer wall of the composite graphite sheet through the handle, in the inserting process, the positioning block is pushed outwards by the wedge block, the spring is compressed at the moment, the wedge block is inserted into the slot downwards, the positioning block is inserted into the inner cavity of the positioning groove under the driving of the spring, and the frame body is locked;
s3: after the work of S2 is completed, the driving motor is started, the driving motor drives the screw rod to rotate, the screw rod rotates to enable the movable block to slide left and right, the compression roller is driven to move left and right, the composite graphite sheet is rolled, and glue and air bubbles are discharged from the frame body through the glue discharging hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the composite graphite sheet is formed by sequentially adhering a heat insulation foaming resin layer, a first graphite layer, a second graphite layer, a heat conduction pressure sensitive adhesive layer, an acrylate adhesive layer and a release film layer, and then adhering two groups of U-shaped installing pieces on two sides to form the composite graphite sheet, wherein the composite graphite sheet has higher heat conduction and heat dissipation performance compared with a simple laminating film, and has higher strength, the edge is not easy to damage and break, the composite graphite sheet is not easy to fall off and break, a driving motor drives a press roller to roll the composite graphite sheet, and glue and bubbles are discharged out of a frame body through glue discharging holes, so that the heat conduction and heat dissipation performance of the composite graphite sheet;
2. when carrying out the roll extrusion, only need can accomplish the preparation work in inserting the slot with the wedge of framework bottom, because at the male in-process, the wedge pushes up the locating piece to the outside, and the spring is compressed this moment, and in the wedge inserted the slot downwards, the locating piece can insert the constant head tank inner chamber under the drive of spring, locks the framework, makes the compression roller hug closely at compound graphite flake top.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the frame of the present invention;
FIG. 3 is a schematic view of the connection between the frame and the glue-releasing groove according to the present invention;
fig. 4 is a schematic view of a composite graphite sheet of the present invention;
FIG. 5 is a schematic view of the structure of a first graphite layer according to the present invention.
In the figure: 1. a frame body; 2. grooving; 3. a slider; 4. a compression roller; 5. a handle; 6. a movable block; 7. mounting a plate; 8. a drive motor; 9. a fixed block; 10. a screw rod; 11. a wedge block; 12. a base plate; 13. a connecting plate; 14. a slide bar; 15. positioning blocks; 16. a spring; 17. positioning a groove; 18. a slot; 19. a glue discharging groove; 20. glue discharging holes; 21. compounding graphite sheets; 22. a U-shaped mounting member; 23. a heat insulating foamed resin layer; 24. a first graphite layer; 25. a second graphite layer; 26. a thermally conductive pressure sensitive adhesive layer; 27. an acrylate adhesive layer; 28. a release film layer; 29. anti-skid convex strips; 30. anti-skid convex teeth; 31. PET original film; 32. a flange; 33. a graphite sheet; 34. aligning columns; 35. a silica gel protective film; 36. positioning a groove; 37. and (5) injecting glue grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a composite heat-conducting graphite sheet and rolling device, please refer to fig. 1-3, comprising a frame body 1 and a bottom plate 12, wherein handles 5 are arranged on the left and right sides of the outer wall of the top of the frame body 1, slots 2 are arranged on the top of the outer wall of the front and back sides of the frame body 1, a slide block 3 is arranged in the slots 2 in a sliding manner, a mounting hole is arranged in the center of the front end face of the slide block 3, bearings are arranged in the mounting hole, rotating shafts are arranged on the inner rings of the two sets of bearings, a compression roller 4 is arranged at one opposite end of the two sets of rotating shafts, the compression roller 4 is positioned in the inner cavity of the frame body 1, a movable block 6 is arranged on the front side of the outer wall of the bottom of the front side slide block 3, the movable block 6 is positioned on the front end face of the frame body 1, the outer wall of the movable block 6 is sleeved with a thread of the movable block 6, the left side and the right side of the outer wall of the bottom of the frame body 1 are respectively provided with a wedge block 11, the outer wall of the top of the bottom plate 12 is provided with a slot 18 matched with the wedge block 11, the frame body 1 is convenient to install, an inner cavity of the frame body 1 is provided with composite graphite sheets 21, the compression roller 4 is positioned above the composite graphite sheets 21, the composite graphite sheets 21 have higher strength, the edges are not easy to damage and break, the powder is not easy to fall off and break, the outer walls of the front side and the back side of the frame body 1 are respectively provided with glue discharging grooves 19 matched with the composite graphite sheets 21, glue discharging holes 20 which are communicated from front to back are arranged on the inner wall of one side of the two groups of the glue discharging grooves 19 in a left-right equidistant mode, the;
referring to fig. 1, a connecting plate 13 is arranged on the outer side of the joint of the outer wall of the top of a bottom plate 12 and two groups of slots 18, a front group of sliding rods 14 and a rear group of sliding rods 14 are movably inserted into the outer wall of the left side of the connecting plate 13, a positioning block 15 is arranged on one side, close to a frame body 1, of the front group of sliding rods 14 and the rear group of sliding rods 14, a spring 16 is sleeved on the outer wall of the sliding rods 14, two ends of the spring 16 are fixedly connected with the positioning block 15 and the connecting plate 13 respectively, positioning grooves 17 matched with the positioning block 15 are arranged at the bottoms of the outer walls of the left side and the right side of the frame body 1, in the process of inserting the frame body 1, the positioning block 15 pushes the positioning;
referring to fig. 1-4, the composite graphite sheet 21 includes two sets of U-shaped mounting members 22, the U-shaped mounting members 22 are disposed such that gaps between the front and rear sides are exposed, air and glue can only flow to the front and rear sides, a heat insulation foamed resin layer 23, a first graphite layer 24, a second graphite layer 25, a heat conductive pressure sensitive adhesive layer 26, an acrylate adhesive layer 27, and a release film layer 28 are sequentially disposed in the inner cavities of the two sets of U-shaped mounting members 22 from top to bottom, the heat insulation foamed resin layer 23, the first graphite layer 24, the second graphite layer 25, the heat conductive pressure sensitive adhesive layer 26, the acrylate adhesive layer 27, and the release film layer 28 are sequentially adhered to each other, the two sets of U-shaped mounting members 22 are adhered to both sides to form the composite graphite sheet 21, a plurality of glue release grooves 19 are disposed at equal intervals, and the glue release grooves 19 are respectively disposed on the heat insulation foamed resin layer 23 and the, The joints of the second graphite layer 25 and the heat-conducting pressure-sensitive adhesive layer 26, the heat-conducting pressure-sensitive adhesive layer 26 and the acrylate adhesive layer 27, and the acrylate adhesive layer 27 and the release film layer 28 are convenient for air and glue to be discharged;
referring to fig. 4-5, the first graphite layer 24 and the second graphite layer 25 have the same structure, the first graphite layer 24 includes a PET original film 31, the edge of a graphite sheet 33 can be protected, a flange 32 is installed at the bottom of the circumferential inner wall of the PET original film 31, the graphite sheet 33 is movably inserted into the circumferential inner wall of the PET original film 31, a silica gel protective film 35 is installed at the top of the PET original film 31, alignment posts 34 are respectively installed at four corners of the outer wall of the top of the PET original film 31, the silica gel protective film 35 is provided with positioning slots 36 matched with the alignment posts 34, a glue injection slot 37 is installed at the outer side of the joint of the outer wall of the top of the silica gel protective film 35 and the positioning slots 36, the graphite sheet 33 is placed in the inner cavity of the PET original film 31, then glue is injected into the glue injection slot 37;
referring to fig. 4, anti-slip convex teeth 30 are equidistantly arranged on the opposite sides of the first graphite layer 24 and the second graphite layer 25 in the left-right direction, anti-slip grooves are formed on the opposite sides of the heat-insulating foamed resin layer 23 and the heat-conducting pressure-sensitive adhesive layer 26, the convex teeth can improve the bonding effect, the U-shaped mounting part 22 comprises a metal U-shaped plate, a heat-conducting silica gel layer is arranged in the inner cavity of the metal U-shaped plate to play a role in heat conduction, anti-slip convex strips 29 and the anti-slip grooves are alternately arranged on the opposite sides of the first graphite layer 24 and the second graphite layer 25, so that the bonding force between the graphite layers and the heat-conducting pressure-sensitive adhesive layer 26 can be effectively increased, the bonding effect is improved, the heat-conducting heat-dissipating performance is prevented from being affected by the layering phenomenon of;
a method for using a composite heat-conducting graphite sheet and a rolling device comprises the following steps:
s1: firstly, placing a graphite sheet 33 into an inner cavity of a PET original film 31, then injecting glue into a glue injection groove 37, fixing an alignment column 34 and the PET original film 31 on a silica gel protective film 35, then sequentially gluing a heat insulation foaming resin layer 23, a first graphite layer 24, a second graphite layer 25, a heat conduction pressure-sensitive adhesive layer 26, an acrylate adhesive layer 27 and a release film layer 28, and then adhering two groups of U-shaped mounting pieces 22 on two sides to form a composite graphite sheet 21;
s2: after the operation of S1 is completed, the composite graphite sheet 21 is placed on the top of the bottom plate 12, the frame 1 is sleeved on the outer wall of the composite graphite sheet 21 through the handle 5, in the process of insertion, the positioning block 15 is pushed outwards by the wedge block 11, at this time, the spring 16 is compressed, the wedge block 11 is inserted downwards into the slot 18, the positioning block 15 is inserted into the inner cavity of the positioning groove 17 under the driving of the spring 16, and the frame 1 is locked;
s3: after the work of S2 is completed, the driving motor 8 is started, the driving motor 8 drives the screw rod 10 to rotate, the screw rod 10 rotates to enable the movable block 6 to slide left and right, so that the pressing roller 4 is driven to move left and right, the composite graphite sheet 21 is rolled, and the glue and the air bubbles are discharged out of the frame body 1 through the glue discharging hole 20.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a compound heat conduction graphite flake and rolling press device, includes framework (1) and bottom plate (12), framework (1) top outer wall left and right sides all is equipped with handle (5), its characterized in that: the top of the outer wall of the front side and the rear side of the frame body (1) are respectively provided with a groove (2), the groove (2) is internally provided with a sliding block (3) in a sliding way, the center of the front end face of the sliding block (3) is provided with a mounting hole, a bearing is mounted in the mounting hole, two groups of bearing inner rings are provided with rotating shafts, one ends of the two groups of rotating shafts are opposite to each other are provided with a compression roller (4), the compression roller (4) is positioned in the inner cavity of the frame body (1), the front side of the front end face of the outer wall of the bottom of the sliding block (3) is provided with a movable block (6), the movable block (6) is positioned on the front end face of the frame body (1), the top of the outer wall of the left side and the right side of the frame body (1) is welded with a mounting plate (7), the left side of the mounting plate (, movable block (6) thread bush is established at movable block (6) outer wall, the outer wall left and right sides of framework (1) bottom all is equipped with wedge (11), bottom plate (12) top outer wall be equipped with wedge (11) matched with slot (18), framework (1) inner chamber is equipped with compound graphite flake (21), compression roller (4) are located compound graphite flake (21) top, framework (1) front and back both sides outer wall all is equipped with leaks gluey recess (19) with compound graphite flake (21) matched with, and is two sets of it is equipped with around the equidistance of leaking gluey recess (19) relative one side inner wall and leaks gluey hole (20) of leaking of lining up.
2. The composite thermally conductive graphite sheet and rolling apparatus of claim 1, wherein: bottom plate (12) top outer wall all is equipped with connecting plate (13) with the outside of two sets of slot (18) junctions, connecting plate (13) left side outer wall activity is pegged graft and is had two sets of slide bar (14) around, and is two sets of around slide bar (14) are close to one side of framework (1) and install locating piece (15), slide bar (14) outer wall cover is equipped with spring (16), the both ends of spring (16) respectively with locating piece (15) and connecting plate (13) fixed connection, the bottom of framework (1) left and right sides outer wall all is equipped with locating slot (17) with locating piece (15) matched with.
3. The composite thermally conductive graphite sheet and rolling apparatus of claim 2, wherein: composite graphite flake (21) is including two sets of U type installed part (22), and is two sets of U type installed part (22) inner chamber from top to bottom installs thermal-insulated foaming resin layer (23), first graphite layer (24), second graphite layer (25), heat conduction pressure sensitive adhesive layer (26), acrylate adhesive layer (27) and leaves type rete (28) in proper order, it sets up the multiunit to let out equidistance from top to bottom of gluey recess (19), it lies in thermal-insulated foaming resin layer (23) and first graphite layer (24), first graphite layer (24) and second graphite layer (25), second graphite layer (25) and heat conduction pressure sensitive adhesive layer (26), heat conduction pressure sensitive adhesive layer (26) and acrylate adhesive layer (27), acrylate adhesive layer (27) and the junction of leaving type rete (28) respectively to let out gluey recess (19).
4. The composite thermally conductive graphite sheet and rolling apparatus of claim 3, wherein: first graphite layer (24) and second graphite layer (25) structure are the same, first graphite layer (24) include former membrane of PET (31), flange (32) are installed to former membrane of PET (31) hoop inner wall bottom, former membrane of PET (31) hoop inner wall activity is pegged graft and is had graphite flake (33), silica gel protection film (35) are installed at former membrane of PET (31) top, former membrane of PET (31) top outer wall four corners all is equipped with counterpoint post (34), silica gel protection film (35) are equipped with and counterpoint post (34) matched with constant head tank (36), silica gel protection film (35) top outer wall is equipped with glue injection groove (37) with the outside of constant head tank (36) junction.
5. The composite thermally conductive graphite sheet and rolling apparatus of claim 4, wherein: first graphite layer (24), second graphite layer (25) back on the back one side left and right sides equidistance are equipped with anti-skidding dogtooth (30), thermal-insulated foamed resin layer (23) is equipped with anti-skidding recess with heat conduction pressure sensitive adhesive layer (26) one side relatively.
6. The composite thermally conductive graphite sheet and rolling apparatus of claim 5, wherein: u type installed part (22) include the metal U template, and metal U template inner chamber is equipped with heat conduction silica gel layer, first graphite layer (24), second graphite layer (25) relative one side is crisscross to be equipped with anti-skidding sand grip (29) and anti-skidding recess.
7. The use of a composite graphite heat conducting sheet and a rolling apparatus according to any one of claims 1 to 6, wherein: the method comprises the following steps:
s1: preparing, namely firstly putting a graphite sheet (33) into an inner cavity of a PET original film (31), then injecting glue into a glue injection groove (37), fixing a registration column (34) and the PET original film (31) on a silica gel protective film (35), then sequentially gluing a heat-insulating foamed resin layer (23), a first graphite layer (24), a second graphite layer (25), a heat-conducting pressure-sensitive adhesive layer (26), an acrylate adhesive layer (27) and a release film layer (28), and then adhering two groups of U-shaped mounting pieces (22) on two sides to form a composite graphite sheet (21);
s2: after the work of S1 is finished, the composite graphite sheet (21) is placed at the top of the bottom plate (12), the frame body (1) is sleeved on the outer wall of the composite graphite sheet (21) through the handle (5), in the inserting process, the positioning block (15) is pushed outwards by the wedge block (11), the spring (16) is compressed at the moment, the wedge block (11) is downwards inserted into the slot (18), the positioning block (15) can be inserted into the inner cavity of the positioning groove (17) under the driving of the spring (16), and the frame body (1) is locked;
s3: after the work of completion S2, start driving motor (8), driving motor (8) drive lead screw (10) rotatory, and lead screw (10) are rotatory to make movable block (6) horizontal slip to drive compression roller (4) and remove about, roll extrusion to compound graphite flake (21), glue and bubble are through leaking gluey hole (20) discharge framework (1).
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| CN202010825398.8A CN111976239A (en) | 2020-08-17 | 2020-08-17 | Compound heat conduction graphite flake and rolling press device |
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