Bubble eliminating equipment in prepreg compounding process

Abstract

The utility model discloses a prepreg compositing process bubble eliminating device which comprises a material storage assembly, the material storage assembly comprises a base, a solution storage cylinder, a discharging pipe and a feeding pipe, the discharging pipe is fixedly installed at the bottom of the front end of the solution storage cylinder, and the feeding pipe is fixedly installed at the top of the rear end of the solution storage cylinder; the efficient bubble eliminating assembly comprises a piston, a metal plate and a hydraulic expansion piece, the piston is movably connected in the solution storage barrel, the top of the piston is fixedly connected with the metal plate, and the top of the metal plate is fixedly connected with the hydraulic expansion piece; the efficient bubble eliminating assembly further comprises triangular cutting blocks, and the triangular cutting blocks are fixedly installed on the periphery of the inner wall of the outlet end of the discharging pipe. According to the utility model, the production cost is saved while the efficient bubble eliminating effect is guaranteed, and the device can be used in a conventional environment; and meanwhile, the prepreg is not damaged, and the production quality of the prepreg is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bubble elimination technical field, concretely is a kind of prepreg composite process bubble elimination equipment. BACKGROUND

[0002] The existence of bubbles can form cavities or defects in the prepreg after curing, reducing the overall strength and toughness of the material. Eliminating bubbles can make the prepreg composite material more compact, and the combination between fibers and resin is more compact, thereby improving the tensile, bending and other mechanical properties of the product, so that it can withstand greater external force and load; At the same time, the existence of bubbles can cause local stress concentration when the prepreg is heated, reducing the heat resistance of the material. By eliminating bubbles, the heat conduction of the material is more uniform, which can better withstand high temperature environment and reduce deformation, cracking and other problems caused by thermal expansion difference; And using bubble elimination equipment can effectively reduce the defect rate of the product, reduce rework and scrap caused by bubble problems, thereby improving production efficiency and reducing production cost.

[0003] In the prior art, two methods of vacuum pressure bubble removal machine and extrusion roller group are usually used to eliminate the bubbles generated during the prepreg composite process. However, the equipment cost of vacuum pressure bubble removal machine is high, and a certain amount of energy is consumed during operation, and the operating environment and personnel are required to be high; The extrusion roller group is easy to cause pressure damage to the prepreg during extrusion, which affects the quality of the prepreg, so a new structure is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of prepreg composite process bubble elimination equipment to solve the problems raised in the above background technology. To solve the above technical problems, the utility model is realized by the following technical scheme:

[0005] The utility model is a kind of prepreg composite process bubble elimination equipment, comprising:

[0006] The storage assembly comprises a base, a solution storage cylinder, a discharge pipe and a feed pipe, the base is fixedly connected with the solution storage cylinder at the top, the solution storage cylinder is fixedly installed with the discharge pipe at the bottom of the front end, and the solution storage cylinder is fixedly installed with the feed pipe at the top of the rear end;

[0007] The high-efficiency bubble elimination assembly comprises a piston, a metal plate and a hydraulic expander, the piston is movably connected in the solution storage cylinder, the piston is fixedly connected with the metal plate at the top, and the metal plate is fixedly connected with the hydraulic expander at the top.

[0008] Further, the extension limit length of the hydraulic expander is half of the height of the solution storage cylinder.

[0009] Further, the high-efficiency bubble eliminating assembly further comprises triangular cutting blocks, and the inner wall around the outlet end of the discharge pipe is fixedly installed with the triangular cutting blocks.

[0010] Further, the triangular cutting blocks are combined in a sawtooth shape.

[0011] Further, the high-efficiency bubble eliminating assembly further comprises a receiving frame, and the top of the base is fixedly installed with the receiving frame, and the groove end of the receiving frame is fixedly connected with a hydraulic telescopic device.

[0012] Further, the auxiliary bubble eliminating assembly further comprises a C-shaped baffle and a U-shaped baffle, the two sides of the arc-shaped plate are fixedly connected with the C-shaped baffles, the side of the C-shaped baffle is fixedly connected with the U-shaped baffle, and the U-shaped baffle is fixedly installed on the top of the base.

[0013] Further, the auxiliary bubble eliminating assembly further comprises a C-shaped baffle and a U-shaped baffle, the two sides of the arc-shaped plate are fixedly connected with the C-shaped baffles, the side of the C-shaped baffle is fixedly connected with the U-shaped baffle, and the U-shaped baffle is fixedly installed on the top of the base.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses, through opening hydraulic telescopic device can drive the metal plate and the piston move down, can further extrude the liquid of smearing semi-cured sheet that the solution storage cylinder stores, thereby to the liquid carries out primary defoaming, subsequently when the liquid flows through the triangular cutting block at the discharge pipe, bubble is cut again and breaks, and two kinds of ways combination effectively eliminates the bubble in smearing semi-cured liquid, compared with vacuum pressure defoaming machine, both saves the production cost, and can use in conventional environment simultaneously, relative to extruding rubber roller, does not cause damage to semi-cured sheet, guarantees the production quality of semi-cured sheet.

[0016] Based on the above beneficial effects, when the liquid flows onto the arc-shaped plate, due to the arc-shaped structure, the flow direction and speed of the liquid will change, according to the continuity equation and Bernoulli equation in fluid mechanics, the flow rate and pressure of the liquid will change at different positions of the arc-shaped plate, the flow rate of the liquid will increase and the pressure will decrease at places with larger curvature, so that the unbroken bubbles are subjected to an outward pressure difference, promoting the unbroken bubbles to move to the surface, thereby the bubbles can be eliminated to the greatest extent. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0018] Figure 1It is the integral schematic view of the utility model;

[0019] Figure 2 It is the piston connection schematic view of the utility model;

[0020] Figure 3 It is the triangular cutting block installation schematic view of the utility model;

[0021] Figure 4 It is the arc-shaped plate distribution schematic view of the utility model.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 101, base; 102, solution storage cylinder; 103, discharge pipe; 104, feed pipe;

[0024] 201, piston; 202, metal plate; 203, hydraulic telescopic device; 204, triangular cutting block; 205, receiving frame;

[0025] 301, arc-shaped plate; 302, C-shaped baffle; 303, U-shaped baffle. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] To make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in conjunction with the drawings.

[0028] Please refer to Figures 1-4 The utility model discloses a prepreg composite process bubble eliminating equipment, which comprises:

[0029] The storage assembly comprises a base 101, a solution storage cylinder 102, a discharge pipe 103 and a feed pipe 104. The base 101 is fixedly connected with the solution storage cylinder 102 at the top. The solution storage cylinder 102 is fixedly installed with the discharge pipe 103 at the bottom of the front end. The solution storage cylinder 102 is fixedly installed with the feed pipe 104 at the top of the rear end.

[0030] The high-efficiency bubble eliminating assembly comprises a piston 201, a metal plate 202 and a hydraulic telescopic device 203. The piston 201 is movably connected in the solution storage cylinder 102. The piston 201 is fixedly connected with the metal plate 202 at the top. The metal plate 202 is fixedly connected with the hydraulic telescopic device 203 at the top.

[0031] The solution storage cylinder 102 is used for placing the solution for soaking and coating the prepreg, the valve is installed in the discharge pipe 103, which is used for controlling the flow and closed state of the discharge pipe 103, the feed pipe 104 is provided to ensure the addition of the solution in the solution storage cylinder 102, the metal plate 202 is used for supporting the piston 201 and the hydraulic telescopic device 203, and the hydraulic telescopic device 203 is provided to ensure the up and down movement of the metal plate 202 and the piston 201.

[0032] The extension limit length of the hydraulic telescopic device 203 is half of the height of the solution storage cylinder 102.

[0033] The size of the above components can prevent the piston 201 from excessively pressing the solution to cause the denaturation of the solution.

[0034] The high-efficiency bubble elimination assembly further comprises triangular cutting blocks 204, which are fixedly installed around the inner wall of the outlet end of the discharge pipe 103; and the triangular cutting blocks 204 are combined in a sawtooth shape.

[0035] The triangular cutting blocks 204 are provided to further break the bubbles.

[0036] The high-efficiency bubble elimination assembly further comprises a supporting frame 205, which is fixedly installed on the top of the base 101, and the hydraulic telescopic device 203 is fixedly connected to the bottom of the groove end of the supporting frame 205.

[0037] The supporting frame 205 is provided to firmly connect the hydraulic telescopic device 203.

[0038] The auxiliary bubble elimination assembly further comprises an arc-shaped plate 301, which is fixedly connected to the top of the base 101.

[0039] The arc-shaped plate 301 is provided to further break the bubbles that are not broken in the previous process.

[0040] The auxiliary bubble elimination assembly further comprises a C-shaped baffle 302 and a U-shaped baffle 303, the C-shaped baffle 302 is fixedly connected to the two sides of the arc-shaped plate 301, the U-shaped baffle 303 is fixedly connected to the side of the C-shaped baffle 302, and the U-shaped baffle 303 is fixedly installed on the top of the base 101.

[0041] The frame space between the C-shaped baffle 302 and the U-shaped baffle 303 is used for soaking and coating the prepreg.

[0042] Working principle: in use, first, the material for making prepreg is placed in the U-shaped baffle 303, then the solution for making prepreg is injected into the solution storage cylinder through the feeding pipe 104, at this time, the hydraulic expander 203 is opened, the metal plate 202 and the piston 201 are driven to move downward, the solution is extruded, the bubbles are preliminarily eliminated, then the valve in the discharge pipe 103 is opened, the solution flows into the discharge pipe 103 from the solution storage cylinder 102, then flows onto the arc-shaped plate 301 through the triangular cutting block 204, then flows onto the material for making prepreg to soak and spread, this step can save production cost and use in conventional environment, and can guarantee the production quality of the prepreg.

[0043] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the persons skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A prepreg composite process bubble elimination apparatus, characterized by, Include: The storage assembly includes a base (101), a solution storage cylinder (102), a discharge pipe (103) and a feeding pipe (104), the top of the base (101) is fixedly connected with the solution storage cylinder (102), the bottom of the front end of the solution storage cylinder (102) is fixedly installed with the discharge pipe (103), and the top of the rear end of the solution storage cylinder (102) is fixedly installed with the feeding pipe (104); The high-efficiency bubble elimination assembly includes a piston (201), a metal plate (202) and a hydraulic telescopic device (203), the piston (201) is movably connected in the solution storage cylinder (102), the top of the piston (201) is fixedly connected with the metal plate (202), and the top of the metal plate (202) is fixedly connected with the hydraulic telescopic device (203).

2. A prepreg composite process bubble elimination apparatus according to claim 1, wherein: The limit length of the hydraulic telescopic device (203) is half of the height of the solution storage cylinder (102).

3. A prepreg composite process bubble elimination apparatus according to claim 1, wherein: The high-efficiency bubble elimination assembly further includes triangular cutting blocks (204), and the triangular cutting blocks (204) are fixedly installed around the inner wall of the outlet end of the discharge pipe (103).

4. A prepreg composite process bubble elimination apparatus according to claim 3, wherein: The triangular cutting blocks (204) are combined in a sawtooth shape.

5. The prepreg composite process bubble elimination apparatus of claim 1, wherein: The high-efficiency bubble elimination assembly further includes a receiving frame (205), and the top of the base (101) is fixedly installed with the receiving frame (205), and the bottom of the groove end of the receiving frame (205) is fixedly connected with the hydraulic telescopic device (203).

6. A prepreg composite process bubble elimination apparatus according to claim 1, wherein: It further includes an auxiliary defoaming assembly, and the auxiliary defoaming assembly includes an arc-shaped plate (301), and the top of the base (101) is fixedly connected with the arc-shaped plate (301).

7. A prepreg composite process bubble elimination apparatus according to claim 6, wherein: The auxiliary defoaming assembly further includes a C-shaped baffle (302) and a U-shaped baffle (303), the two sides of the arc-shaped plate (301) are fixedly connected with the C-shaped baffle (302), the side of the C-shaped baffle (302) is fixedly connected with the U-shaped baffle (303), and the U-shaped baffle (303) is fixedly installed on the top of the base (101).

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