Graphene heat dissipation film winding device

Abstract

The utility model belongs to the technical field of heat dissipation film winding, and relates to a graphene heat dissipation film winding device which comprises a winding assembly and a matching assembly, the winding assembly is used for winding a graphene heat dissipation film, the matching assembly is used for tightening the graphene heat dissipation film, and the matching assembly comprises a matching frame, a matching motor, a matching shaft, a positioning shaft and a matching wheel. The multiple matching wheels are installed on the matching plate, the matching plate is installed on the matching frame through the positioning shaft, the matching motor drives the matching shaft installed on the matching frame, one of the multiple matching wheels is driven by the matching shaft, the graphene heat dissipation film is wound through the winding assembly, the tensioning state of the heat dissipation film during winding is guaranteed through the matching assembly, and therefore the heat dissipation film can be wound conveniently. And rolling wrinkles and the like are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation film rolling, in particular to a graphene heat dissipation film rolling device. Background Art

[0002] Thermal conductivity and heat dissipation have great application demands in many fields such as electronics, communications, lighting, aviation, and national defense. The mainstream thermal conductive materials on the market are still mainly aluminum and copper or their alloys, while in recent years, graphite heat dissipation film has been widely used and quickly occupied the market share of traditional materials.

[0003] Graphene is a single layer of carbon atoms with a honeycomb structure, in which each carbon atom is bonded to three adjacent carbon atoms in sp2 hybridization. As a two-dimensional material, graphene has excellent physical and chemical properties, and its thermal conductivity is as high as 5300W / (m·K). Preparing graphene into a heat dissipation film will greatly improve the efficiency of thermal conductivity and heat dissipation.

[0004] After the graphene heat dissipation film is produced, it needs to be rolled up to prepare a heat dissipation film roll. Currently, it is very easy to have rolling wrinkles, which is caused by the unevenness of the graphene heat dissipation film during the rolling process. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background.

[0006] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:

[0007] The utility model discloses a graphene heat dissipation film winding device, comprising a winding component and a matching component, wherein the winding component is used for winding the graphene heat dissipation film, and the matching component is used for tightening the graphene heat dissipation film. The matching component comprises a matching frame, a matching motor, a matching shaft, a positioning shaft and a matching wheel, wherein a plurality of matching wheels are mounted on a matching plate, and the matching plate is mounted on the matching frame through the positioning shaft, and the matching motor drives the matching shaft mounted on the matching frame, and one of the plurality of matching wheels is driven by the matching shaft.

[0008] Preferably, the winding assembly includes a winding motor, a winding shaft and a clamping assembly, and the assembly cooperates to clamp the roll of graphene heat dissipation film on the winding shaft, and the winding motor drives the winding shaft.

[0009] Preferably, the clamping assembly includes a clamping frame, a clamping shaft, a clamping plate and a clamping shaft, the clamping plate is mounted on the clamping shaft through a bearing, the clamping shaft is mounted on the clamping frame, the clamping shaft can move axially, and the clamping shaft is used to lock the position of the clamping shaft on the clamping frame.

[0010] Preferably, the clamping plate is coaxial with the winding shaft, and when winding is performed, the clamping plate presses the reel mounted on the winding shaft.

[0011] Preferably, when the graphene heat dissipation film passes around the matching wheel, the wrap angle with respect to the matching wheel is greater than 120°. Beneficial Effects

[0012] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0013] The utility model discloses a graphene heat dissipation film winding device, which performs a rolling operation on the graphene heat dissipation film through a rolling component, wherein the matching component ensures the tension state of the heat dissipation film during rolling, thereby avoiding the occurrence of rolling wrinkles and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of the overall structure of a graphene heat dissipation film winding device.

[0015] Explanation of the symbols in the schematic diagram:

[0016] 100, winding assembly; 110, winding motor; 120, winding shaft; 130, clamping assembly; 131, clamping frame; 132, clamping shaft; 133, clamping plate; 134, clamping shaft;

[0017] 200, matching assembly; 210, matching frame; 220, matching motor; 230, matching shaft; 240, positioning shaft; 250, matching wheel. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0021] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0022] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. Example

[0024] See attached Figure 1 A graphene heat dissipation film winding device of this embodiment includes a winding component 100 and a matching component 200. The winding component 100 is used to wind up the graphene heat dissipation film, and the matching component 200 is used to tighten the graphene heat dissipation film. The matching component 200 includes a matching frame 210, a matching motor 220, a matching shaft 230, a positioning shaft 240 and a matching wheel 250. Multiple matching wheels 250 are installed on a matching plate, and the matching plate is installed on the matching frame 210 through the positioning shaft 240. The matching motor 220 drives the matching shaft 230 installed on the matching frame 210, and one of the multiple matching wheels 250 is driven by the matching shaft 230. With this design structure, the graphene heat dissipation film is wound up through the winding component 100, wherein the matching component 200 ensures the tension state of the heat dissipation film during winding to avoid the occurrence of winding wrinkles.

[0025] The winding assembly 100 of this embodiment includes a winding motor 110 , a winding shaft 120 and a clamping assembly 130 . The clamping assembly 130 clamps the roll of graphene heat dissipation film on the winding shaft 120 , and the winding motor 110 drives the winding shaft 120 .

[0026] The clamping assembly 130 of this embodiment includes a clamping frame 131, a clamping shaft 132, a clamping plate 133 and a clamping shaft 134. The clamping plate 133 is installed on the clamping shaft 132 through a bearing. The clamping shaft 132 is installed on the clamping frame 131. The clamping shaft 132 can move axially. The clamping shaft 134 is used to lock the position of the clamping shaft 132 on the clamping frame 131.

[0027] The clamping plate 133 of this embodiment is coaxial with the winding shaft 120 . When winding, the clamping plate 133 presses the reel installed on the winding shaft 120 .

[0028] When the graphene heat dissipation film of this embodiment passes around the matching wheel 250, the wrap angle with respect to the matching wheel 250 is greater than 120°.

[0029] During operation, the reel is first installed on the reel 120, and then the clamping shaft 132 is moved so that the clamping plate 133 contacts the reel, and the position of the clamping shaft 132 is locked by the clamping shaft 134. The graphene heat dissipation film is passed around multiple matching wheels 250 in turn and then rolled on the reel. The reeling motor 110 and the matching motor 220 are started to carry out the reeling operation.

[0030] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A graphene heat dissipation film winding device, characterized in that: The invention comprises a winding component (100) and a matching component (200), wherein the winding component (100) is used for winding a graphene heat dissipation film, and the matching component (200) is used for tightening the graphene heat dissipation film. The matching component (200) comprises a matching frame (210), a matching motor (220), a matching shaft (230), a positioning shaft (240) and a matching wheel (250), wherein a plurality of matching wheels (250) are mounted on a matching plate, and the matching plate is mounted on the matching frame (210) via the positioning shaft (240), and the matching motor (220) drives the matching shaft (230) mounted on the matching frame (210), and one of the plurality of matching wheels (250) is driven by the matching shaft (230).

2. A graphene heat dissipation film winding device according to claim 1, characterized in that: The winding assembly (100) comprises a winding motor (110), a winding shaft (120) and a clamping assembly (130); the clamping assembly (130) clamps the roll of graphene heat dissipation film on the winding shaft (120); and the winding motor (110) drives the winding shaft (120).

3. A graphene heat dissipation film winding device according to claim 2, characterized in that: The clamping assembly (130) comprises a clamping frame (131), a clamping shaft (132), a clamping plate (133) and a clamping shaft (134); the clamping plate (133) is mounted on the clamping shaft (132) via a bearing; the clamping shaft (132) is mounted on a matching frame (210); the clamping shaft (132) is movable in the axial direction; and the clamping shaft (134) is used to lock the position of the clamping shaft (132) on the matching frame (210).

4. The graphene heat dissipation film winding device according to claim 3, characterized in that: The clamping plate (133) is coaxial with the reel (120), and when reeling is performed, the clamping plate (133) presses the reel mounted on the reel (120).

5. The graphene heat dissipation film winding device according to claim 1, characterized in that: When the graphene heat dissipation film passes around the matching wheel (250), the wrap angle with respect to the matching wheel (250) is greater than 120°.

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