CN218593486U

CN218593486U - Film pressing device for graphene heat-conducting film

Info

Publication number: CN218593486U
Application number: CN202222314099.5U
Authority: CN
Inventors: 潘栋杰; 王刚; 郭国标
Original assignee: Jiangsu Jiangnan Elenyl Graphene Technology Co ltd
Current assignee: Jiangsu Jiangnan Elenyl Graphene Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-10
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a film pressing device for a graphene heat-conducting film, which comprises a bottom plate, a top plate, a connecting rod, a driving device, an upper template, a lower template, a connecting shaft and a vacuum pump; the lower template is arranged at the upper end of the bottom plate, the top plate is connected with the bottom plate through a plurality of connecting rods, the driving device is arranged on the upper end face of the top plate, the upper end of the connecting shaft is fixedly connected with the output end of the driving device, a forming cavity is arranged on the upper end face of the lower template, a pressing plate matched with the forming cavity is fixedly arranged at the lower end of the connecting shaft, the upper template arranged on the outer wall of the connecting shaft moves downwards to seal the forming cavity, and the vacuum pump is used for pumping out air in the forming cavity; through setting up the die cavity in the lower bolster upper end, can seal the die cavity through the lower bolster downstream, and then through the evacuation of vacuum pump, because the volume of die cavity is less, the efficiency and the energy consumption greatly reduced of evacuation.

Description

Film pressing device for graphene heat-conducting film

Technical Field

The utility model relates to a graphite alkene heat conduction membrane production facility technical field specifically is a film pressing device of graphite alkene heat conduction membrane.

Background

The graphene heat-conducting film plays an important role in electronic components, aerospace and aviation and in the field with high heat dissipation requirements.

For example, application numbers are: 202122347782.4, including evacuation equipment, vacuum chamber, go up pressure head and pressure head down in the vacuum chamber, evacuation equipment vacuums the vacuum chamber, and multilayer graphite alkene foam film places on the pressure head down, goes up the pressure head or/and presses the membrane to multilayer graphite alkene foam film and obtains graphite alkene heat conduction membrane.

Above-mentioned utility model can be through the graphite alkene heat conduction membrane of the bubble-free of calendering preparation high density.

However, the vacuum chamber of the utility model has a large area, and the time and energy consumption required for vacuum pumping are high.

An object of the utility model is to provide a press mold device of graphite alkene heat conduction membrane to solve the problem mentioned in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model provides a film pressing device for a graphene heat conducting film, which comprises a bottom plate, a top plate, a connecting rod, a driving device, an upper template, a lower template, a connecting shaft and a vacuum pump; the lower bolster sets up the upper end of bottom plate, the roof with the bottom plate passes through a plurality of the connecting rod is connected, drive arrangement sets up the up end of roof, the upper end of connecting axle with drive arrangement's output fixed connection, the up end of lower bolster is equipped with the shaping chamber, the lower extreme of connecting axle set firmly with shaping chamber complex clamp plate, set up the connecting axle outer wall the cope match-plate pattern downstream will the shaping chamber seals, the vacuum pump is used for taking out the air in the shaping chamber.

Preferably, the upper end of the forming cavity is provided with a first mounting ring, the lower end of the upper template is provided with a second mounting ring, the first mounting ring is located in the second mounting ring, the upper end of the lower template is provided with a first sealing ring, the upper end of the first mounting ring is provided with a second sealing ring, and the outer wall of the first mounting ring is provided with a third sealing ring.

Preferably, the device further comprises a positioning device.

Preferably, positioner is including fixed the setting the mounting panel of connecting axle outer wall, the mounting panel is equipped with a plurality of through-holes, and is a plurality of the through-hole is with a plurality of connecting rod sliding connection.

Preferably, the up end of cope match-plate pattern is equipped with a plurality of guide posts, the mounting panel be equipped with guide post complex guiding hole, the guide post with guiding hole sliding connection, the guide post stretches out the one end of mounting panel up end is equipped with the spacing ring, the outer wall of guide post is equipped with the spring, the upper and lower both ends of spring respectively with the mounting panel with the cope match-plate pattern butt, the cope match-plate pattern is equipped with the through-hole, the connecting axle with through-hole sliding connection.

Preferably, a plurality of mounting grooves are formed in the through hole, and fourth sealing rings are arranged in the mounting grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up the die cavity in the lower bolster upper end, can seal the die cavity through the lower bolster downstream, and then through the evacuation of vacuum pump, because the volume of die cavity is less, the efficiency and the energy consumption greatly reduced of evacuation.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged view of area A of the present invention;

fig. 3 is an enlarged view of the area B of the present invention.

In the figure: 1. a base plate; 2. a top plate; 3. a connecting rod; 4. a drive device; 5. mounting a template; 51. a second mounting ring; 52. a guide post; 53. a through hole; 521. a limiting ring; 522. a spring; 531. mounting grooves; 532. a fourth seal ring; 6. a lower template; 61. a molding cavity; 62. a first mounting ring; 63. a first seal ring; 64. a second seal ring; 65. a third seal ring; 7. a connecting shaft; 71. pressing a plate; 8. a vacuum pump; 9. a positioning device; 91. mounting a plate; 911. a through hole; 912. and (4) a guide hole.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 3, the utility model provides a film pressing device for a graphene heat conduction film, which comprises a bottom plate 1, a top plate 2, a connecting rod 3, a driving device 4, an upper template 5, a lower template 6, a connecting shaft 7 and a vacuum pump 8; the lower bolster 6 sets up the upper end of bottom plate 1, roof 2 with bottom plate 1 is through a plurality of connecting rod 3 is connected, drive arrangement 4 sets up the up end of roof 2, the upper end of connecting axle 7 with drive arrangement 4's output fixed connection, the up end of lower bolster 6 is equipped with into die cavity 61, the lower extreme of connecting axle 7 set firmly with become die cavity 61 complex clamp plate 71, set up connecting axle 7 outer wall the cope match-plate pattern 5 downstream will become die cavity 61 seals, vacuum pump 8 is used for taking out the air in the die cavity 61.

The driving device 4 may be any one of a hydraulic cylinder, an air cylinder, and an electric telescopic rod.

Referring to fig. 2 again, by providing the first and

second mounting rings

62 and 51, the upper and

lower die plates

5 and 6 can be sealed by forming a multi-layer seal with the second seal ring 64 between the first mounting ring 62 and the upper die plate 5, the third seal ring 65 between the first mounting ring 62 and the second mounting ring 51, and the first seal ring 63 between the second mounting ring 51 and the lower die plate 6.

Please refer to fig. 1 again, the positioning device 9 is provided to position the upper and

lower mold plates

5 and 6, so as to ensure that the first mounting ring 62 can be inserted into the second mounting ring 51; further, by arranging the through holes 911 in the mounting plate 91, the connecting shaft 7 can be positioned by matching the connecting rods 3 with the through holes 911, so that the upper template 5 and the lower template 6 can be matched with each other; furthermore, by arranging the guide posts 52 and the guide holes 912, when the upper template 5 moves downwards to be attached to the lower template 6, the guide posts 52 move upwards to absorb impact force, and the upper template 5 can be pushed downwards by the force of the springs 522 recovering deformation, so that the upper template 5 and the lower template 6 are attached to each other, and the sealing effect is ensured; the guide post 52 can be prevented from sliding out of the guide hole 912 by arranging the limit ring 521; through setting up through-hole 53, can realize that cope match-plate pattern 5 slides from top to bottom at connecting axle 7 outer wall:

referring to fig. 3 again, the gap between the connecting shaft 7 and the through hole 53 can be sealed by providing a plurality of mounting grooves 531 in the through hole 53 and providing fourth sealing rings 532 in the mounting grooves 531.

The embodiment of the utility model provides a concrete operation mode as follows:

specifically, a piece of art paper and a piece of graphene foam film are used as a group, the paper is stacked into a forming cavity 61 to form a film (the height of the film is lower than that of an exhaust tube of a vacuum pump 8), a driving device 4 is started, the driving device 4 pushes a connecting shaft 7 to move downwards, the connecting shaft 7 drives an upper template 5 and a mounting plate 91 to move downwards, and through matching of a through hole 911 and a connecting rod 3, it is ensured that a second mounting ring 51 can be sleeved outside a first mounting ring 62, the lower end face of the second mounting ring 51 and the upper end face of a lower template 6, and the upper end face of the first mounting ring 62 and the lower end face of the upper template 5 are tightly attached to each other (a first sealing ring 63, a second sealing ring 64, a third sealing ring 65 and a fourth sealing ring 532 can ensure a sealing effect), the driving device 4 stops pushing the connecting shaft 7 to move, the vacuum pump 8 is started to pump out air in the forming cavity 61, further, the driving device 4 continues to push, at this time, a pressing plate 71 moves downwards to form a film, and meanwhile, the mounting plate 91 moves downwards, a guide column 52 extends out of the upper end face of the mounting plate 91, and a spring 522 is compressed.

The graphene heat-conducting film produced in the mode does not generate bubbles, and has higher density and fewer pores compared with the graphene heat-conducting film produced by a calender.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a film pressing device of graphite alkene heat conduction membrane which characterized in that: comprises a bottom plate (1), a top plate (2), a connecting rod (3), a driving device (4), an upper template (5), a lower template (6), a connecting shaft (7) and a vacuum pump (8);

lower bolster (6) set up the upper end of bottom plate (1), roof (2) with bottom plate (1) is through a plurality of connecting rod (3) are connected, drive arrangement (4) set up the up end of roof (2), the upper end of connecting axle (7) with the output fixed connection of drive arrangement (4), the up end of lower bolster (6) is equipped with into die cavity (61), the lower extreme of connecting axle (7) set firmly with become die cavity (61) complex clamp plate (71), set up connecting axle (7) outer wall cope match-plate pattern (5) move down will become die cavity (61) seal, vacuum pump (8) are used for taking out the air in the die cavity (61).

2. A film pressing device for a graphene heat conduction film according to claim 1, wherein: the upper end of one-tenth die cavity (61) is equipped with first collar (62), the lower extreme of cope match-plate pattern (5) is equipped with second collar (51), first collar (62) are located in second collar (51), the upper end of lower bolster (6) is equipped with first sealing washer (63), the upper end of first collar (62) is equipped with second sealing washer (64), the outer wall of first collar (62) is equipped with third sealing washer (65).

3. A film pressing device for a graphene heat conduction film according to claim 2, wherein: also comprises a positioning device (9).

4. A film pressing device for a graphene heat conduction film according to claim 3, wherein: positioner (9) are including fixed the setting in mounting panel (91) of connecting axle (7) outer wall, mounting panel (91) are equipped with a plurality of through hole (911), and are a plurality of through hole (911) and a plurality of connecting rod (3) sliding connection.

5. A film pressing device for a graphene heat conduction film according to claim 4, wherein: the up end of cope match-plate pattern (5) is equipped with a plurality of guide post (52), mounting panel (91) be equipped with guide post (52) complex guiding hole (912), guide post (52) with guiding hole (912) sliding connection, guide post (52) stretch out the one end of mounting panel (91) up end is equipped with spacing ring (521), the outer wall of guide post (52) is equipped with spring (522), the upper and lower both ends of spring (522) respectively with mounting panel (91) with cope match-plate pattern (5) butt, cope match-plate pattern (5) are equipped with through-hole (53), connecting axle (7) with through-hole (53) sliding connection.

6. A film pressing device for a graphene heat conduction film according to claim 5, wherein: a plurality of mounting grooves (531) are formed in the through hole (53), and fourth sealing rings (532) are arranged in the mounting grooves (531).