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CN-224210616-U - Composite material vacuum pouring device

CN224210616UCN 224210616 UCN224210616 UCN 224210616UCN-224210616-U

Abstract

The utility model relates to the technical field of vacuum infusion, and discloses a composite material vacuum infusion device which comprises a die table, wherein an infusion cavity is formed in the top surface of the die table, a glass fiber felt is attached to the inner bottom surface of the infusion cavity, a vacuum bag is attached to the top surface of the die table, a sealing structure for improving the tightness of the vacuum bag is arranged on the top surface of the die table, the sealing structure comprises a pressing frame arranged above the die table, and the bottom surface of the pressing frame is abutted to the top surface of the vacuum bag. According to the utility model, through the arrangement of the sealing structure, the plurality of air cylinders synchronously extend out to drive the connecting frame to move downwards so as to drive the pressing frame to press and seal the contact area of the vacuum bag and the die table by the edge of the pressing frame when the pressing frame descends in place, so that a stable mechanical pressurizing sealing structure is formed, resin filling is carried out inside the vacuum bag, the mechanical compression of the vacuum bag is realized through applying external force in the process, the sealing effect in the vacuum filling process is obviously improved, and the problem of material performance reduction caused by leakage is effectively avoided.

Inventors

  • BAO JINGMIN

Assignees

  • 玮拓(江苏)复合材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. A composite material vacuum pouring device comprises a die table (1) and is characterized in that a pouring cavity (2) is formed in the top surface of the die table (1), a glass fiber felt (4) is attached to the inner bottom surface of the pouring cavity (2), a vacuum bag (3) is attached to the top surface of the die table (1), a sealing structure for improving the sealing performance of the vacuum bag (3) is arranged on the top surface of the die table (1), the sealing structure comprises a pressing frame (202) arranged above the die table (1), and the bottom surface of the pressing frame (202) is in butt joint with the top surface of the vacuum bag (3).
  2. 2. The composite material vacuum pouring device according to claim 1, wherein a connecting frame (203) is arranged on the bottom surface of the die table (1), a plurality of vertical ends of the connecting frame (203) are fixed with the pressing frame (202), a plurality of air cylinders (201) are fixed on the bottom surface of the die table (1), and telescopic ends of the plurality of air cylinders (201) are fixed with the top surface of the connecting frame (203).
  3. 3. A composite material vacuum infusion device according to claim 2, wherein the top surface of the vacuum bag (3) is fixedly connected with a vacuum tube (401) and an infusion tube (402).
  4. 4. A composite material vacuum infusion device according to claim 3, characterized in that the four sides of the mould table (1) are provided with guide grooves (5), and the vertical ends of the connecting frames (203) are slidably arranged in the guide grooves (5).
  5. 5. The composite material vacuum infusion device according to claim 4, wherein connecting plates (6) are fixed on four sides of the pressing frame (202), vertical ends of the connecting frames (203) are inserted into the connecting plates (6) in a sliding mode, and bolts are arranged on one side of the connecting plates (6) in a rotating mode.
  6. 6. A composite material vacuum infusion device according to claim 5, wherein the top surface of the mould table (1) is bonded with a double sided tape (601), and the bottom surface of the vacuum bag (3) is bonded with the top surface of the double sided tape (601).

Description

Composite material vacuum pouring device Technical Field The utility model relates to the technical field of vacuum infusion, in particular to a composite material vacuum infusion device. Background Because of the excellent mechanical properties and light weight characteristics, the composite material is widely applied to the fields of aerospace, automobile manufacturing, wind energy, sports equipment and the like, and in the production process of the composite material, the vacuum infusion molding technology is a common and efficient process method, and the uniform distribution and high-quality molding of the material can be ensured by injecting resin or other composite materials into pre-paved reinforcing materials such as glass fibers, carbon fibers and the like in a vacuum environment. The prior composite material vacuum pouring device (bulletin number: CN 222097063U) has at least the following defects that although the device adopts a vacuum film coating mode to cover a film material on a pouring die and then performs vacuum pouring, due to the artificial operation factor of the film coating process and the elastic characteristic of the film material, the contact part of the film material and the die is easy to loose or slide, so that tiny leakage points are generated, the risk of poor sealing is increased, the maintenance of a vacuum environment is influenced, the generation of bubbles and uneven resin flow in the resin pouring process are caused, and the performance of the material is reduced. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a composite material vacuum pouring device. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a combined material vacuum filling device, includes the mould platform, the top surface of mould platform has been seted up and has been poured the chamber, and the laminating of the inside bottom surface of pouring the chamber has the fine felt of glass, and the top surface laminating of mould platform has the vacuum bag, and the top surface of mould platform is provided with the seal structure who is used for improving the vacuum bag leakproofness, and seal structure presses the frame including setting up in mould platform top, presses the bottom surface of frame and the top surface butt of vacuum bag. As a further scheme of the utility model, the bottom surface of the die table is provided with a connecting frame, a plurality of vertical ends of the connecting frame are fixed with the pressing frame, a plurality of air cylinders are fixed on the bottom surface of the die table, and telescopic ends of the plurality of air cylinders are fixed with the top surface of the connecting frame. As a further scheme of the utility model, the top surface of the vacuum bag is fixedly communicated with a vacuum tube and a perfusion tube. As a further scheme of the utility model, guide grooves are formed in four sides of the die table, and the vertical ends of the connecting frames are arranged in a sliding manner with the interiors of the guide grooves. As a further scheme of the utility model, connecting plates are fixed on four sides of the pressing frame, vertical ends of the connecting frames are inserted into the connecting plates in a sliding manner, and bolts are arranged on one side of each connecting plate in a rotating manner. As a further scheme of the utility model, the top surface of the die table is adhered with a double-sided adhesive tape, and the bottom surface of the vacuum bag is adhered with the top surface of the double-sided adhesive tape. Compared with the prior art, the utility model has the following beneficial effects: This vacuum filling device, through seal structure's setting, a plurality of cylinders stretch out in step, drive the link and move down, and then drive press the frame and push down, when the press frame descends in place, its edge presses the contact area of vacuum bag and mould platform and seals, form stable mechanical pressurization seal structure, accomplish sealed back, through the inside resin of vacuum bag pouring, this process is through applying the mechanical compaction of external force realization vacuum bag, the sealed effect of vacuum filling process has been showing to have been promoted, the material performance decline problem that leads to because of leaking is effectively avoided. Drawings FIG. 1 is a schematic diagram of a vacuum infusion device for composite materials according to the present utility model; Fig. 2 is a schematic diagram of a split structure of a vacuum infusion device for composite materials according to the present utility model; FIG. 3 is a schematic view showing a split structure of a connecting frame of a vacuum infusion device for composite materials according to the present utility model; fig. 4 is a schematic structural diagram of a mold table of a composite vacuu