CN112743707A - Air pressure glue injection device and method for preparing fiber reinforced composite material by using same - Google Patents
Air pressure glue injection device and method for preparing fiber reinforced composite material by using same Download PDFInfo
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- CN112743707A CN112743707A CN202110073217.5A CN202110073217A CN112743707A CN 112743707 A CN112743707 A CN 112743707A CN 202110073217 A CN202110073217 A CN 202110073217A CN 112743707 A CN112743707 A CN 112743707A
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- Prior art keywords
- glue
- glue injection
- pressure
- composite material
- air pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
- B29B15/125—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex by dipping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides an air pressure glue injection device and a method for preparing a fiber reinforced composite material by using the same. The technical problem of the existing glue injection form is solved, and the glue solution is placed in a sealed glue storage tank, so that the environmental pollution is small; the glue solution is injected into the glue dipping box through air pressure, so that the fibers can be fully soaked; other glue solutions can be replaced by opening the glue storage tank, so that convenience is brought; the glue solution can be prepared in a small amount by utilizing the pressure and injected for multiple times, so that the waste of the glue solution is avoided.
Description
Technical Field
The invention relates to an air pressure glue injection device and a method for preparing a fiber reinforced composite material by using the same, and belongs to the technical field of glue injection devices.
Background
The traditional gum dipping is mostly in a gum dipping tank form, a gum pouring form and an injection gum dipping form.
The impregnation tank is used for putting a large amount of glue solution into the impregnation tank, the fibers are dragged into the impregnation tank through pultrusion, and the fibers carry resin to enter a forming die for curing and forming. The disadvantages are that; in the open glue tank, the smell of glue solution is large, and the amount of resin taken out cannot be controlled.
The glue pouring mode is that a large amount of glue solution is put into a glue dipping tank, the glue solution is lifted to the upper end of the fiber through an electric water wheel, and the glue solution is poured on the fiber for infiltration. The disadvantages are as follows: the open glue tank has the disadvantages of strong smell of glue solution, easy spraying of the glue solution to equipment and surrounding staff, and poor fiber infiltration effect.
Injection dipping form: the glue solution is injected into the glue dipping box according to the flow through injection equipment, and the glue dipping box has the following defects: only flow is provided, pressure is not provided, and when the flow is insufficient, the infiltration is not good.
Disclosure of Invention
The invention provides an air pressure glue injection device and a method for preparing a fiber reinforced composite material by using the same, aiming at solving the technical problems of the existing glue injection mode in the background technology.
The invention provides an air pressure glue injection device, which comprises a glue injection tank and a dipping box, wherein glue solution in the glue injection tank is injected into the glue injection box through input air pressure, the glue injection tank comprises a glue storage tank, a tank cover, a pressure regulating valve, an exhaust valve, a glue inlet valve, a glue outlet, an exhaust port, a pressure regulating valve port and a glue inlet, the tank cover is arranged at the top of the glue storage tank, the tank cover is provided with an exhaust port, a pressure regulating valve port and a glue inlet, the pressure regulating valve port is provided with the pressure regulating valve, the exhaust port is provided with the exhaust valve, the glue inlet is provided with the glue inlet valve, the side surface of the bottom of the glue storage tank is provided with the glue outlet, and the glue outlet is provided with the.
Preferably, the glue storage tank and the tank cover are sealed through a sealing member.
Preferably, the seal is a clip.
Preferably, the pressure regulating valve is used for regulating the air pressure in the glue storage tank to control the flow of the glue injection liquid, the pressure regulating range is 0.1-2MPa, the flow control is 30-500 g/min, and the molding process production of the composite material with the wall thickness of 2-20 mm can be realized.
A method for preparing a fiber reinforced composite material by using the air pressure glue injection device specifically comprises the following steps:
(1) forming regular fibers with product shapes after the fibers pass through a preforming tool, and injecting a resin matrix into a glue dipping box through a glue injection tank;
(2) then orderly fibers are dipped in glue in a glue dipping box to form well soaked fibers;
(3) finally, the fiber reinforced composite material is formed by heating and solidifying the molding die.
Preferably, the dipping box is arranged at a position 50-200mm away from the inlet of the forming die.
The air pressure glue injection device and the method for preparing the fiber reinforced composite material by using the same have the beneficial effects that: the glue solution is placed in a sealed glue storage tank, so that the environmental pollution is small; the glue solution is injected into the glue dipping box through air pressure, so that the fibers can be fully soaked; other glue solutions can be replaced by opening the glue storage tank, so that convenience is brought; the glue solution can be prepared in a small amount by utilizing the pressure and injected for multiple times, so that the waste of the glue solution is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural view of an air pressure glue injection device according to the present invention;
FIG. 2 is a schematic structural view of a top of a glue storage tank;
wherein, 1-glue storage tank, 2-pressure regulating valve, 3-sealing element, 4-exhaust valve, 5-glue inlet valve, 6-glue outlet, 7-exhaust port, 8-pressure regulating valve port, and 9-glue inlet.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
the first embodiment is as follows: the present embodiment is explained with reference to fig. 1-2. The air pressure glue injection device comprises a glue injection tank and a dipping box, wherein glue solution in the glue injection tank is injected into the glue injection box through input air pressure, the glue injection tank comprises a glue storage tank 1, a tank cover, a pressure regulating valve 2, an exhaust valve 4, a glue inlet valve 5, a glue outlet 6, an exhaust port 7, a pressure regulating valve port 8 and a glue inlet 9, the top of the glue storage tank 1 is provided with the tank cover, the tank cover is provided with the exhaust port 7, the pressure regulating valve port 8 and the glue inlet 9, the pressure regulating valve 2 is installed on the pressure regulating valve port 8, the exhaust port 7 is provided with the exhaust valve 4, the glue inlet valve 5 is installed on the glue inlet 9, the glue outlet 6 is arranged on the side face of the bottom of the glue storage tank 1, and the glue outlet valve is installed on the glue outlet 6.
The glue storage tank 1 and the tank cover are sealed through a sealing piece 3. The sealing element 3 is a clamp.
The pressure regulating valve 2 is used for regulating the air pressure in the glue storage tank to control the flow of the glue injection liquid, the pressure range is 0.1-2MPa, the flow control is 30-500 g/min, the molding process production of the composite material with the wall thickness of 2-20 mm can be realized, and the phenomenon of insufficient impregnation can occur when the resin is soaked above 20 mm.
The method for preparing the fiber reinforced composite material by using the air pressure glue injection device specifically comprises the following steps:
(1) forming regular fibers with product shapes after the fibers pass through a preforming tool, and injecting a resin matrix into a glue dipping box through a glue injection tank;
(2) then orderly fibers are dipped in glue in a glue dipping box to form well soaked fibers;
(3) finally, the fiber reinforced composite material is formed by heating and solidifying the molding die.
The glue dipping box is arranged at a position 50-200mm away from the inlet of the forming die. :
compared with the prior art, the invention has the difference that the fiber impregnation mode is different, and the traditional impregnation mode is mostly a impregnation tank mode, a glue pouring mode and an injection impregnation mode.
The impregnation tank is used for putting a large amount of glue solution into the impregnation tank, the fibers are dragged into the impregnation tank through pultrusion, and the fibers carry resin to enter a forming die for curing and forming. The disadvantages are that; in the open glue tank, the smell of glue solution is large, and the amount of resin taken out cannot be controlled.
The glue pouring mode is that a large amount of glue solution is put into a glue dipping tank, the glue solution is lifted to the upper end of the fiber through an electric water wheel, and the glue solution is poured on the fiber for infiltration. The disadvantages are as follows: the open glue tank has the disadvantages of strong smell of glue solution, easy spraying of the glue solution to equipment and surrounding staff, and poor fiber infiltration effect.
Injection dipping form: the glue solution is injected into the glue dipping box according to the flow through injection equipment, and the glue dipping box has the following defects: only flow is provided, pressure is not provided, when the flow is insufficient, infiltration is not good, a large amount of glue solution is often required to be injected into the impregnation box in order to ensure sufficient flow, so that when the glue solution is replaced or impregnation is stopped, the glue solution obtained in the equipment needs to be discharged, then a large amount of cleaning solution is used for cleaning a pipeline, and waste of the glue solution is caused.
The air pressure glue injection form has the advantages that: the glue solution is placed in the closed glue storage tank 1, so that the environmental pollution is small; the glue solution is injected into the glue dipping box through air pressure, so that the fibers can be fully soaked; other glue solutions can be replaced by opening the glue storage tank 1, so that convenience is brought; the glue solution can be prepared and placed in the glue storage tank 1 in a small amount according to the proportion, and then the glue solution is injected for multiple times by using pressure, so that the waste of the glue solution is avoided.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an atmospheric pressure injecting glue device, its characterized in that includes glue injection jar and flooding box, injects the glue solution in the glue injection jar in the glue injection box through input atmospheric pressure, the glue injection jar is including depositing gluey jar (1), cover, air-vent valve (2), discharge valve (4), advance gluey valve (5), glue outlet (6), gas vent (7), pressure regulating valve port (8) and advancing gluey mouth (9), the top of depositing gluey jar (1) is provided with the cover, is provided with gas vent (7), pressure regulating valve port (8) and advances gluey mouth (9) on the cover, install air-vent valve (2) on pressure regulating valve port (8), install discharge valve (4) on gas vent (7), advance to install on gluey mouth (9) and advance gluey valve (5), the bottom side of depositing gluey jar (1) is provided with glue outlet (6), installs glue outlet (6) on the glue outlet.
2. A gas-pressure glue-injection device according to claim 1, characterised in that the glue storage tank (1) and the tank cover are sealed by a sealing member (3).
3. A gas-pressure glue injection device according to claim 2, characterised in that the sealing element (3) is a clamp.
4. The air pressure glue injection device according to claim 1, characterized in that the pressure regulating valve (2) is used for regulating the air pressure in the glue storage tank (1) to control the flow of the glue injection liquid, the pressure regulating range is 0.1-2MPa, the flow control is 30g/min-500g/min, and the molding process production of the composite material with the wall thickness of 2mm-20mm can be realized.
5. The method for preparing the fiber reinforced composite material by using the air pressure glue injection device according to any one of claims 1 to 4 is characterized by comprising the following steps:
(1) forming regular fibers with product shapes after the fibers pass through a preforming tool, and injecting a resin matrix into a glue dipping box through a glue injection tank;
(2) then orderly fibers are dipped in glue in a glue dipping box to form well soaked fibers;
(3) finally, the fiber reinforced composite material is formed by heating and solidifying the molding die.
6. The method for preparing the fiber reinforced composite material by using the air pressure glue injection device as claimed in claim 5, wherein the glue dipping box is arranged at a position 50-200mm away from the inlet of the forming die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073217.5A CN112743707A (en) | 2021-01-20 | 2021-01-20 | Air pressure glue injection device and method for preparing fiber reinforced composite material by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073217.5A CN112743707A (en) | 2021-01-20 | 2021-01-20 | Air pressure glue injection device and method for preparing fiber reinforced composite material by using same |
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| Publication Number | Publication Date |
|---|---|
| CN112743707A true CN112743707A (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110073217.5A Pending CN112743707A (en) | 2021-01-20 | 2021-01-20 | Air pressure glue injection device and method for preparing fiber reinforced composite material by using same |
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| CN (1) | CN112743707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115674727A (en) * | 2022-11-25 | 2023-02-03 | 季华实验室 | Fiber pultrusion equipment |
-
2021
- 2021-01-20 CN CN202110073217.5A patent/CN112743707A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115674727A (en) * | 2022-11-25 | 2023-02-03 | 季华实验室 | Fiber pultrusion equipment |
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