CN114434829B - Vacuum introduction process - Google Patents
Vacuum introduction process Download PDFInfo
- Publication number
- CN114434829B CN114434829B CN202210133837.8A CN202210133837A CN114434829B CN 114434829 B CN114434829 B CN 114434829B CN 202210133837 A CN202210133837 A CN 202210133837A CN 114434829 B CN114434829 B CN 114434829B
- Authority
- CN
- China
- Prior art keywords
- tank
- resin
- defoaming
- stirring
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 19
- 239000011347 resin Substances 0.000 claims abstract description 125
- 229920005989 resin Polymers 0.000 claims abstract description 125
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 68
- 238000010438 heat treatment Methods 0.000 claims description 36
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 4
- 238000009755 vacuum infusion Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract 2
- 238000007711 solidification Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000008676 import Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B2013/005—Degassing undesirable residual components, e.g. gases, unreacted monomers, from material to be moulded
Abstract
The utility model relates to a composite material makes the field, especially, relate to a vacuum introduction technology, specifically include the following step, place raw and other materials in the mould in proper order, communicate resin jar again, deaeration equipment, the mould, resin collector and vacuum pump communicate, keep breaking between deaeration equipment and the mould, the vacuum pump is to the evacuation in the mould, resin in the resin jar gets into deaeration equipment in the deaeration simultaneously, when the resin volume in the deaeration equipment reaches more than half, communicate deaeration equipment and mould, resin in the deaeration equipment gets into in the mould, resin in the mould gets into in the resin collector, and resin content in the resin collector is greater than the resin volume that the complete product of one third possesses, stop the import of resin in the mould, and wait for the product solidification, take out the product from the mould after the product solidification, and deburr the product, possess the effect that the influence that the quality of shaping product received greatly reduced.
Description
Technical Field
The present application relates to the field of composite material manufacturing, and in particular to a vacuum infusion process.
Background
The vacuum is introduced, more parts for manufacturing automobiles are generally placed in a mould, a core material and a fiber reinforced material are arranged in the mould, then a vacuum film bag is arranged on the mould in a sealing way, namely raw materials and auxiliary materials of the vacuum bag are sequentially placed in the mould, the vacuum film bag is communicated with a resin tank and a resin collector, and the resin collector is vacuumized, so that the resin in the resin tank enters the mould and is fully soaked in the fiber reinforced material, and finally the formed product has larger improvement on the physical properties compared with the traditional manual pasting operation.
The existing resin needs to be defoamed before being sent into a die, namely the content of bubbles in the resin is reduced, so that the quality of a formed product is reduced and finally influenced.
In the above-mentioned related art, the inventors considered that the defoamed resin was transferred to a resin tank and then directly fed to a mold, but the defoamed resin was liable to be mixed with gas during the transfer, and the quality of the molded product was liable to be affected to some extent.
Disclosure of Invention
In order to reduce the influence on the quality of the formed product, the application provides a vacuum introducing process.
The vacuum introduction process provided by the application adopts the following technical scheme:
a vacuum introducing process specifically comprises the following steps.
Step 1, placing raw materials and auxiliary materials of a vacuum bag in a mould in sequence, communicating a resin tank with a defoaming device, communicating the mould, a resin collector with a vacuum pump, and keeping the defoaming device disconnected from the mould;
step 2, vacuumizing the inside of the die by a vacuum pump, simultaneously, allowing the resin in the resin tank to enter into the defoaming equipment for defoaming, and communicating the defoaming equipment with the die when the resin amount in the defoaming equipment is more than half, wherein the resin in the defoaming equipment enters into the die;
step 3, stopping introducing the resin in the mould and waiting for the product to be cured when the resin in the mould enters the resin collector and the resin content in the resin collector is more than one third of the resin content of the complete product;
and 4, taking the product out of the die after the product is solidified, and trimming the product.
Through adopting above-mentioned technical scheme for resin in the resin jar gets into to debubbling equipment and carries out the defoamation back and send into the mould again, reduces the appearance that the resin that the defoamation was accomplished mixes new gas easily in the transfer process and produces new bubble, makes final fashioned product quality can obtain certain promotion, and when there is the resin outflow in the resin collector, keeps continuing to keep the resin to let in, makes each position department in the mould all can be better by the resin filling.
Optionally, the defoaming equipment includes the deaeration jar that communicates in the resin jar, locates the deaeration jar and make the deaeration pump that forms the negative pressure environment in the deaeration jar, locate in the deaeration jar and carry out agitating unit to the resin in the deaeration jar, locate the deaeration jar and carry out heating device to the resin in the deaeration jar, locate the deaeration jar and control the control valve of intercommunication or disconnection between deaeration jar and the mould.
Through adopting above-mentioned technical scheme for the resin is after entering into the deaeration tank, under heating, vacuum and stirring's effect, and the bubble that contains in the resin is got rid of as fast as possible and comprehensively, promotes the speed and the quality of resin deaeration.
Optionally, the stirring device comprises a tank inner cylinder fixedly connected in the deaerating tank, a plurality of groups of cylinder supporting rods fixedly connected in the tank inner cylinder, stirring shafts rotationally connected to one ends of the cylinder supporting rods far away from the tank inner cylinder, stirring blades fixedly connected to the stirring shafts and used for stirring resin along with rotation of the stirring shafts, a power cylinder rotationally connected in the tank inner cylinder, a synchronous rotating mechanism arranged in the tank inner cylinder and the cylinder supporting rods and used for enabling all the stirring shafts to rotate along with the power cylinder, and a power cylinder motor arranged in the tank inner cylinder and used for driving the power cylinder to rotate, wherein two ends of each stirring shaft are respectively positioned at two sides of the corresponding cylinder supporting rod, and two ends of each stirring shaft are respectively provided with a group of stirring blades.
Through adopting above-mentioned technical scheme, the power section of thick bamboo rotates and drives all (mixing) shafts and rotate for all stirring leaf rotates and stirs, and the stirring leaf at (mixing) shaft both ends can carry out a better more comprehensive stirring to the resin.
Alternatively, two adjacent groups of the cylinder struts are arranged in a staggered manner.
Through adopting above-mentioned technical scheme for stirring leaf on the dislocation arranged's a section of thick bamboo branch can carry out a more abundant and comprehensive stirring to the resin in the deaeration jar, make the bubble content in the resin can further obtain reducing.
Optionally, the synchronous rotating mechanism comprises a plurality of power cylinder sheaves which are fixedly connected with the power cylinders coaxially and fixedly connected with the power cylinders, a stirring shaft sheave which is coaxially and fixedly connected with each stirring shaft, and a transmission belt which is connected between the power cylinder sheaves and the stirring shaft sheaves in a transmission way.
Through adopting above-mentioned technical scheme for a power section of thick bamboo rotates and can drive all (mixing) shafts and carry out synchronous syntropy rotation, need not set up an independent power supply to every (mixing) shaft, helps saving energy and resource.
Optionally, the inner ring of the inner cylinder is used for the resin of the inner cylinder to flow to the die, and the control valve is arranged at the bottom end of the inner cylinder, close to the deaeration tank.
Through adopting above-mentioned technical scheme for resin in the deaerating tank can be better be close to the control valve, and the control valve is in deaerating tank bottom department, makes the control valve supply the difficult air that exists of one end department that the resin flowed in, and control valve intercommunication mould one side is because the evacuation effect of vacuum pump also is difficult for having more air simultaneously, makes the resin that flows in the mould difficult mixing have more air, helps promoting the quality of shaping product.
Optionally, the heating device includes the passageway pipe of fixed connection in the deaerating tank, communicates in the heating plate of passageway pipe, and the heating plate is located the control valve under, and the heating plate periphery is close to the inner wall of deaerating tank.
Through adopting above-mentioned technical scheme for the heating plate only heats the resin that just is close to the control valve to the deaeration tank bottom, does not need to heat whole resin, reduces the energy consumption, also can effectually control simultaneously and get into the bubble content of resin in the mould.
Optionally, the inside bottom surface of deaeration jar rotates and is connected with the jar chassis that the several is coaxial setting, fixedly connected with carries out the radial leaf of stirring to the resin between two adjacent jar chassis, jar chassis fixedly connected with connecting rod, and jar chassis one end fixedly connected with tank deck gear is kept away from to the connecting rod, and tank deck gear is driven by power section of thick bamboo motor and rotates, and the jar chassis is located under the heating dish.
Through adopting above-mentioned technical scheme, the tank bottom dish rotates for radial leaf rotates, makes the resin of deaeration tank bottom receive better stirring effect, makes more difficult the containing more bubbles in the resin that gets into in the mould through the control valve.
Optionally, the tank bottom plate is evenly rotated and is connected with a plurality of tank bottom shafts, and each tank bottom shaft is provided with a bottom blade for stirring the resin at the bottom of the deaeration tank.
Through adopting above-mentioned technical scheme, further make the resin of deaeration tank bottom receive better more abundant stirring, further reduce the content of bubble in the resin of deaeration tank bottom.
Optionally, an external gear is fixedly connected to each tank chassis corresponding to each tank chassis in the defoaming, each tank bottom shaft is coaxially and fixedly connected with a tank bottom shaft gear, and the tank bottom shaft gears are meshed with the external gears.
By adopting the technical scheme, the external gear synchronously rotates while the tank chassis rotates, so that each tank bottom shaft gear rotates, each tank bottom shaft gear can rotate, and all tank bottom shafts rotate along with the rotation of the tank chassis.
In summary, the present application includes at least one of the following beneficial effects:
1. the occurrence of the condition that new gas is easy to mix into the defoamed resin to generate new bubbles in the transfer process is reduced, so that the quality of the finally formed product can be improved to a certain extent;
2. the method does not need to heat all the resin, reduces energy consumption, and can effectively control the content of bubbles in the resin entering the die.
Drawings
FIG. 1 is a schematic diagram of the deaeration apparatus in the present application, with the side and top surfaces of the deaeration tank partially sectioned to better show the internal structure of the deaeration tank;
FIG. 2 is a schematic illustration of the structure of a synchronous rotation mechanism with an end section of one of a set of barrel struts shown in phantom;
FIG. 3 is a schematic diagram of the structure of the inner bottom of the deaerating tank with the heating plate removed to better show the tank bottom plate and radial lobes, and with the inner bottom surface of the deaerating tank partially sectioned to better show the outer gear and the tank bottom shaft gear;
fig. 4 is an enlarged view at a in fig. 3.
Reference numerals illustrate: 1. a defoaming device; 2. a deaeration tank; 3. a deaeration pump; 31. an external gear; 32. a tank bottom shaft gear; 33. a tank top gear; 34. a motor gear; 35. a power cylinder gear; 36. a heating coil; 4. a stirring device; 41. a stirring shaft grooved pulley; 42. a transmission belt; 43. a passage tube; 44. a heating plate; 45. a tank bottom shaft; 46. a bottom leaf; 47. a tank chassis; 48. a connecting rod; 49. radial leaves; 5. a heating device; 51. a control valve; 52. a tank inner cylinder; 53. a power cylinder; 54. a barrel strut; 55. a stirring shaft; 56. stirring the leaves; 57. a synchronous rotating mechanism; 58. a power cylinder motor; 59. a power cylinder sheave.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a vacuum introduction process, which specifically comprises the following steps:
step 1, placing raw materials and auxiliary materials of a vacuum bag in a mould in sequence, communicating a resin tank with a defoaming device 1, communicating the mould, a resin collector and a vacuum pump, and keeping the defoaming device 1 disconnected from the mould;
step 2, vacuumizing the inside of the die by a vacuum pump, simultaneously, allowing the resin in the resin tank to enter the defoaming equipment 1 for defoaming, and communicating the defoaming equipment 1 with the die when the resin amount in the defoaming equipment 1 is more than half, wherein the resin in the defoaming equipment 1 enters the die, and the speed of the resin in the defoaming equipment 1 entering the die is slightly less than the speed of the resin in the resin tank entering the defoaming equipment 1;
step 3, stopping introducing the resin in the mould and waiting for the product to be cured when the resin in the mould enters the resin collector and the resin content in the resin collector is more than one third of the resin content of the complete product;
and 4, taking the product out of the die after the product is solidified, and trimming the product.
Referring to fig. 1, the defoaming device 1 includes a vertical defoaming tank 2, the defoaming tank 2 is connected to a resin tank through a pipe, and a valve for discharging excess resin in the defoaming tank 2 can be provided on the bottom surface of the defoaming tank 2. The upper surface of the deaeration tank 2 is fixedly connected with a deaeration pump 3, the deaeration pump 3 can be a vacuum pump, the deaeration pump 3 enables the interior of the deaeration tank 2 to be in a negative pressure environment, resin in the resin tank can enter the deaeration tank 2, and the resin entering the deaeration tank 2 can be deaerated under the negative pressure environment. The deaerating tank 2 is provided therein with a stirring device 4 for stirring the resin and a heating device 5 for heating the resin.
Referring to fig. 1 and 2, the stirring device 4 comprises an inner tank 52 coaxially and fixedly connected to the top surface inside the deaerating tank 2, the inner tank 52 is vertical, and an opening at the upper end of the inner tank 52 is communicated with the mold through a pipeline, so that resin in the deaerating tank 2 can enter the mold through the inner tank 52. The upper end face of the tank inner cylinder 52 is coaxially and rotatably connected with a power cylinder 53, the bottom end of the power cylinder 53 is positioned in the tank inner cylinder 52, the bottom end of the power cylinder 53 is close to the tank inner cylinder 52, the upper surface of the deaeration tank 2 is fixedly connected with a power cylinder motor 58, an output shaft of the power cylinder motor 58 is coaxially and fixedly connected with a motor gear 34, the circumference outer wall of the upper end of the power cylinder 53 is coaxially and fixedly connected with a power cylinder gear 35, the power cylinder gear 35 and the motor gear 34 are both positioned in the upper part of the deaeration tank 2, and the power cylinder gear 35 is meshed with the motor gear 34. The circumference outer wall of the tank inner cylinder 52 is uniformly and fixedly connected with a plurality of groups of cylinder supporting rods 54 along the vertical direction, the length direction of the cylinder supporting rods 54 is consistent with the radial direction of the tank inner cylinder 52, each group of cylinder supporting rods 54 is uniformly arranged around the axis of the tank inner cylinder 52, and every adjacent group of cylinder supporting rods 54 are arranged in a staggered manner along the vertical direction. Each of the barrel struts 54 is hollow internally and communicates with the interior of the canister inner barrel 52. One end of each cylinder supporting rod 54 far away from the tank inner cylinder 52 is rotatably connected with a vertical stirring shaft 55, and the stirring shaft 55 penetrates through the cylinder supporting rods 54, so that two ends of the stirring shaft 55 are respectively positioned at the upper side and the lower side of the corresponding cylinder supporting rod 54. Each stirring shaft 55 is fixedly connected with a group of stirring blades 56 at two ends, each group of stirring blades 56 are uniformly arranged in a plurality of ways around the stirring shaft 55, and the stirring shaft 55 drives the stirring blades 56 to rotate so as to stir the resin.
Referring to fig. 2, a synchronous rotation mechanism 57 for rotating all stirring shafts 55 along with rotation of a power cylinder 53 is installed in a tank inner cylinder 52 and a cylinder support rod 54, the synchronous rotation mechanism 57 comprises a plurality of groups of power cylinder grooved wheels 59 coaxially and fixedly connected to the circumferential outer wall of the power cylinder 53, each group of power cylinder grooved wheels 59 corresponds to one group of cylinder support rods 54, the stirring shaft grooved wheels 41 are coaxially and fixedly connected to the part, located in the cylinder support rod 54, of each stirring shaft 55, of each stirring shaft support rod 54, the heights of the stirring shaft grooved wheels 41 corresponding to the same group of cylinder support rods 54 are inconsistent, each stirring shaft grooved wheel 41 corresponds to one power cylinder grooved wheel 59, the same driving belt 42 is in transmission connection between each stirring shaft grooved wheel 41 and the corresponding power cylinder grooved wheel 59, and the driving belt 42 is horizontal, so that all stirring shafts 55 can rotate along with rotation of the power cylinder 53.
Referring to fig. 1, a control valve 51 is fixedly connected and communicated with an opening at the bottom end of an inner cylinder 52, the control valve 51 may be an electromagnetic valve, and a protective shell is arranged outside the control valve 51, so that the control valve 51 can work stably in resin. The resin liquid level in the deaerating tank 2 is higher than the height of the opening of the control valve 51 for resin to enter, so that the control valve 51 is far away from the resin liquid level in the deaerating tank 2 as far as possible, and the possibility that the resin with more bubbles enters the die from the control valve 51 is reduced. The heating device 5 comprises two vertical passage pipes 43 fixedly connected to the top surface of the deaerating tank 2, the two passage pipes 43 are symmetrically arranged by taking the axis of the tank inner cylinder 52 as the center line, stirring blades 56 can not touch the passage pipes 43, heating discs 44 are installed at the bottom ends of the passage pipes 43 in the deaerating tank 2, the heating discs 44 are horizontally and coaxially arranged, all the heating discs 44 are in the same horizontal plane, the heating discs 44 are circular, the outer ring of the heating disc 44 with the largest radius is close to the circumferential inner wall of the deaerating tank 2 as much as possible, the heating discs 44 with the largest radius are fixedly connected and communicated with the two passage pipes 43, all the heating discs 44 are fixedly connected and communicated with the same horizontal heating coil 36, and the heating coil 36 passes through the center of the heating discs 44 and is located under the control valve 51. One passage pipe 43 feeds high-temperature heat conduction oil into the heating pan 44, and the other passage pipe 43 is used for feeding out the heat conduction oil in the heating pan 44, so that the resin near the control valve 51 is not easy to contain more bubbles, and the resin entering the mold through the control valve 51 is not easy to contain more bubbles.
Referring to fig. 3, the inner bottom surface of the deaerating tank 2 is coaxially and rotatably connected with a plurality of tank bottom plates 47, the tank bottom plates 47 are located under the heating plate 44, each tank bottom plate 47 is in a ring shape, the radiuses of different tank bottom plates 47 are different, a group of radial blades 49 are uniformly and fixedly connected between two adjacent tank bottom plates 47, the length directions of the radial blades 49 are consistent with the length directions of the deaerating tank 2, the two adjacent radial blades 49 are in a staggered arrangement, the upper surface of the tank bottom plate 47 with the largest radius is uniformly and fixedly connected with a plurality of connecting rods 48 around the axis of the tank bottom plate, the upper ends of all the connecting rods 48 are fixedly connected with the same tank top gear 33, the tank top gear 33 is an internal gear, the tank top gear 33 is coaxially and rotatably connected in the upper part of the deaerating tank 2, the toothed part of the tank top gear 33 is located in the upper part of the deaerating tank 2 and meshed with the motor gear 34, so that the tank top gear 33 can synchronously rotate while the power drum motor 58 drives the power drum 53 to rotate, the connecting rods 48 synchronously rotate, the tank bottom plates 48 synchronously, so that the tank bottom plates 49 can synchronously rotate, and the radial blades 49 stir resin. The connecting rod 48 does not touch the heating plate 44 during rotation. Meanwhile, due to the tank top gear 33, the part of the inner top surface of the deaerating tank 2, which is positioned in the inner ring of the tank top gear 33, is out of support, and for this purpose, the part of the inner top surface of the deaerating tank 2, which is positioned in the inner ring of the tank top gear 33, can be kept stable by screwing in a bolt or welding a steel rod in the upper part of the deaerating tank 2.
Referring to fig. 3 and 4, for convenience of arrangement, except for the tank bottom disc 47 with the largest radius, each tank bottom disc 47 is uniformly and rotatably connected with a plurality of tank bottom shafts 45 around the own axis, the tank bottom shafts 45 are vertical, the tank bottom shafts 45 of two adjacent tank bottom discs 47 are arranged in a staggered manner, the upper end of each tank bottom shaft 45 is fixedly connected with a plurality of bottom blades 46 around the own axis, the bottom blades 46 stir resin, and enough intervals are reserved between the different bottom blades 46 so as not to be in contact with each other, the bottom end of each tank bottom shaft 45 is coaxially and fixedly connected with a tank bottom shaft gear 32, the tank bottom shaft gear 32 is positioned in the bottom of the deaerating tank 2, a plurality of external gears 31 are coaxially and fixedly connected in the bottom of the deaerating tank 2, each external gear 31 is in a ring shape, each external gear 31 corresponds to one tank bottom disc 47, each external gear 31 is meshed with all tank bottom shaft gears 32 of the corresponding tank bottom disc 47, the tank bottom shaft gears 32 can rotate around the tank bottom disc 47, and the tank bottom shaft gears 32 can rotate around the tank bottom disc 47 axis at the same time, and the external gears 31 are not fixedly connected with the tank bottom shaft gears 32, so that the content of the resin can be further rotated around the tank bottom disc 47, and the content of the tank bottom shaft gears 32 can be reduced.
The implementation principle of the vacuum introduction process in the embodiment of the application is as follows: the resin in the resin tank firstly enters the vacuumized deaerating tank 2 and then is continuously accumulated until a certain amount is reached, and bubbles in the resin can be timely discharged under the action of stirring and vacuum in the accumulating process, and the resin at the bottom of the deaerating tank 2 and close to the control valve 51 can be better stirred and heated, so that the content of the bubbles in the resin entering the die from the control valve 51 can be greatly reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A vacuum introducing process is characterized in that: the method specifically comprises the following steps:
step 1, sequentially placing raw materials and auxiliary materials of a vacuum bag in a mold, communicating a resin tank with a defoaming device (1), communicating the mold, a resin collector with a vacuum pump, and keeping the defoaming device (1) and the mold disconnected;
step 2, vacuumizing the inside of the die by a vacuum pump, simultaneously, allowing resin in the resin tank to enter into the defoaming equipment (1) for defoaming, and communicating the defoaming equipment (1) with the die when the resin amount in the defoaming equipment (1) is more than half, wherein the resin in the defoaming equipment (1) enters into the die;
step 3, stopping introducing the resin in the mould and waiting for the product to be cured when the resin in the mould enters the resin collector and the resin content in the resin collector is more than one third of the resin content of the complete product;
step 4, taking the product out of the die after the product is solidified, and trimming the product;
the defoaming equipment (1) comprises a defoaming tank (2) communicated with a resin tank, a defoaming pump (3) arranged in the defoaming tank (2) and used for forming a negative pressure environment in the defoaming tank (2), a stirring device (4) arranged in the defoaming tank (2) and used for stirring resin in the defoaming tank (2), a heating device (5) arranged in the defoaming tank (2) and used for heating the resin in the defoaming tank (2), a control valve (51) arranged in the defoaming tank (2) and used for controlling communication or disconnection between the defoaming tank (2) and a die, wherein the stirring device (4) comprises a tank inner cylinder (52) fixedly connected in the defoaming tank (2), a plurality of groups of cylinder struts (54) fixedly connected with the tank inner cylinder (52), a stirring shaft (55) which is rotatably connected with one end of the cylinder struts (54) far away from the tank inner cylinder (52), stirring blades (56) fixedly connected with the stirring shaft (55) and used for stirring the resin in a rotating way, a power cylinder (53) which is rotatably connected with the stirring shaft (55), an inner cylinder (52) arranged in the inner cylinder (52) and a control valve (51) which is used for controlling communication or disconnection between the defoaming tank (2) and the die, the stirring device (4) comprises a tank inner cylinder (52) fixedly connected with the tank inner cylinder (52) and a motor (52) which is rotatably connected with the stirring shaft (52) and a power cylinder (57) which is rotatably driven by the motor (53), every (55) both ends are located corresponding section of thick bamboo branch (54) both sides respectively, and every (55) both ends all set up a set of stirring leaf (56), synchronous rotary mechanism (57) including fixed connection in a few power section of thick bamboo sheave (59) of coaxial fixed connection in power section of thick bamboo (53), coaxial fixed connection in (41) of stirring axle (55), drive connection in power section of thick bamboo sheave (59) and (42) of drive between (41) stirring axle sheave, heating device (5) including passageway pipe (43) of fixed connection in deaeration jar (2), link to heating plate (44) in passageway pipe (43), heating plate (44) are located under control valve (51), heating plate (44) periphery is pressed close to in the inner wall of deaeration jar (2).
2. A vacuum infusion process according to claim 1, characterized in that: two adjacent groups of the cylinder supporting rods (54) are arranged in a staggered way.
3. A vacuum infusion process according to claim 1, characterized in that: the inner ring of the inner tank (52) is used for allowing resin of the inner tank (52) to flow to the die, and the control valve (51) is arranged at the bottom end of the inner tank (52) close to the deaeration tank (2).
4. A vacuum infusion process according to claim 1, characterized in that: the inner bottom surface of the deaeration tank (2) is rotationally connected with a plurality of tank bottom plates (47) which are coaxially arranged, radial blades (49) for stirring resin are fixedly connected between two adjacent tank bottom plates (17), the tank bottom plates (47) are fixedly connected with connecting rods (48), one ends of the connecting rods (48) away from the tank bottom plates (47) are fixedly connected with tank top gears (33), the tank top gears (33) are driven by a power cylinder motor (58) to rotate, and the tank bottom plates (47) are located under the heating plates (44).
5. The vacuum introducing process according to claim 4, wherein: the tank bottom disc (47) is uniformly and rotatably connected with a plurality of tank bottom shafts (45), and each tank bottom shaft (45) is provided with a bottom blade (46) for stirring the resin at the bottom of the deaeration tank (2).
6. The vacuum introduction process of claim 5, wherein: an external gear (31) is fixedly connected to each tank chassis (47) corresponding to each tank chassis (47) in the defoaming device (2), each tank bottom shaft (45) is coaxially and fixedly connected with a tank bottom shaft gear (32), and the tank bottom shaft gears (32) are meshed with the external gear (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210133837.8A CN114434829B (en) | 2022-02-14 | 2022-02-14 | Vacuum introduction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210133837.8A CN114434829B (en) | 2022-02-14 | 2022-02-14 | Vacuum introduction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114434829A CN114434829A (en) | 2022-05-06 |
| CN114434829B true CN114434829B (en) | 2024-01-19 |
Family
ID=81373096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210133837.8A Active CN114434829B (en) | 2022-02-14 | 2022-02-14 | Vacuum introduction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114434829B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142409A (en) * | 1992-11-11 | 1994-05-24 | Hakko Co Ltd | Deaerator for lining resin |
| JP2003103110A (en) * | 2001-09-28 | 2003-04-08 | Nippon Paper Industries Co Ltd | Defoaming method for liquid and apparatus for the same |
| JP2007125844A (en) * | 2005-11-07 | 2007-05-24 | Murata Mach Ltd | Apparatus for molding frp reinforcing tank |
| CN102173061A (en) * | 2010-12-20 | 2011-09-07 | 洛阳双瑞风电叶片有限公司 | Liquid resin defoaming method and device for vacuum infusion forming of composite material |
| CN103042701A (en) * | 2012-12-27 | 2013-04-17 | 中国科学院工程热物理研究所 | Integrated formation device and method for wind power blade |
| JP2013233496A (en) * | 2012-05-08 | 2013-11-21 | Disco Corp | Deaerator |
| CN103434145A (en) * | 2013-08-20 | 2013-12-11 | 奇瑞汽车股份有限公司 | Vacuum leading-in method, product produced by adopting method and vacuum leading-in device |
| CN104667801A (en) * | 2013-11-26 | 2015-06-03 | 深圳市帕玛精品制造有限公司 | Epoxy resin adhesive de-foaming stirrer |
| CN105773995A (en) * | 2014-12-24 | 2016-07-20 | 中材科技风电叶片股份有限公司 | Defoaming device of single-component liquid resin and defoaming method |
| CN206027165U (en) * | 2016-08-30 | 2017-03-22 | 天津普罗米化工有限公司 | High viscosity material fire fighting equipment |
| CN108081523A (en) * | 2017-12-22 | 2018-05-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of room temperature curing epoxy vacuum casting device and pouring procedure |
| KR20180119298A (en) * | 2017-04-25 | 2018-11-02 | 세보테크 주식회사 | Manufacturing method for large-size composite structure |
| CN109228402A (en) * | 2018-10-19 | 2019-01-18 | 中国工程物理研究院总体工程研究所 | A kind of molding vacuum assisted process control system of composite processing and method |
| CN109276916A (en) * | 2018-10-31 | 2019-01-29 | 中国久远高新技术装备公司 | A kind of high viscosity resins liquid evacuation and centrifugal degassing method and device |
| CN109571832A (en) * | 2018-12-14 | 2019-04-05 | 洛阳双瑞风电叶片有限公司 | A kind of wind electricity blade hybrid resin defoaming device |
| CN110789148A (en) * | 2019-09-18 | 2020-02-14 | 江苏华纳环保科技有限公司 | Integrated forming process of high-power wind power motor cabin cover |
| CN210552329U (en) * | 2019-08-01 | 2020-05-19 | 固瑞特模具（太仓）有限公司 | Resin deaeration device |
| CN215661235U (en) * | 2021-07-02 | 2022-01-28 | 中汇睿能凤阳新材料科技有限公司 | Raw material defoaming device for polyimide film production |
-
2022
- 2022-02-14 CN CN202210133837.8A patent/CN114434829B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142409A (en) * | 1992-11-11 | 1994-05-24 | Hakko Co Ltd | Deaerator for lining resin |
| JP2003103110A (en) * | 2001-09-28 | 2003-04-08 | Nippon Paper Industries Co Ltd | Defoaming method for liquid and apparatus for the same |
| JP2007125844A (en) * | 2005-11-07 | 2007-05-24 | Murata Mach Ltd | Apparatus for molding frp reinforcing tank |
| CN102173061A (en) * | 2010-12-20 | 2011-09-07 | 洛阳双瑞风电叶片有限公司 | Liquid resin defoaming method and device for vacuum infusion forming of composite material |
| JP2013233496A (en) * | 2012-05-08 | 2013-11-21 | Disco Corp | Deaerator |
| CN103042701A (en) * | 2012-12-27 | 2013-04-17 | 中国科学院工程热物理研究所 | Integrated formation device and method for wind power blade |
| CN103434145A (en) * | 2013-08-20 | 2013-12-11 | 奇瑞汽车股份有限公司 | Vacuum leading-in method, product produced by adopting method and vacuum leading-in device |
| CN104667801A (en) * | 2013-11-26 | 2015-06-03 | 深圳市帕玛精品制造有限公司 | Epoxy resin adhesive de-foaming stirrer |
| CN105773995A (en) * | 2014-12-24 | 2016-07-20 | 中材科技风电叶片股份有限公司 | Defoaming device of single-component liquid resin and defoaming method |
| CN206027165U (en) * | 2016-08-30 | 2017-03-22 | 天津普罗米化工有限公司 | High viscosity material fire fighting equipment |
| KR20180119298A (en) * | 2017-04-25 | 2018-11-02 | 세보테크 주식회사 | Manufacturing method for large-size composite structure |
| CN108081523A (en) * | 2017-12-22 | 2018-05-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of room temperature curing epoxy vacuum casting device and pouring procedure |
| CN109228402A (en) * | 2018-10-19 | 2019-01-18 | 中国工程物理研究院总体工程研究所 | A kind of molding vacuum assisted process control system of composite processing and method |
| CN109276916A (en) * | 2018-10-31 | 2019-01-29 | 中国久远高新技术装备公司 | A kind of high viscosity resins liquid evacuation and centrifugal degassing method and device |
| CN109571832A (en) * | 2018-12-14 | 2019-04-05 | 洛阳双瑞风电叶片有限公司 | A kind of wind electricity blade hybrid resin defoaming device |
| CN210552329U (en) * | 2019-08-01 | 2020-05-19 | 固瑞特模具（太仓）有限公司 | Resin deaeration device |
| CN110789148A (en) * | 2019-09-18 | 2020-02-14 | 江苏华纳环保科技有限公司 | Integrated forming process of high-power wind power motor cabin cover |
| CN215661235U (en) * | 2021-07-02 | 2022-01-28 | 中汇睿能凤阳新材料科技有限公司 | Raw material defoaming device for polyimide film production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114434829A (en) | 2022-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216419078U (en) | Mixed emulsification device is used in penetrant production | |
| CN210971627U (en) | Fluid sauce material equipment for packing | |
| CN114434829B (en) | Vacuum introduction process | |
| CN117225017B (en) | Preparation device and preparation method of polysulfonate flat ultrafiltration membrane | |
| CN207102592U (en) | A kind of epoxy resin production Bidirectional agitating apparatus | |
| CN206956054U (en) | A kind of chitosan prepares chitosan oligosaccharide with anti-settling material temperature controllable enzymolysis device | |
| CN212285766U (en) | Investment casting low-temperature wax molding injection device | |
| CN210332463U (en) | Syrup dissolving tank | |
| CN207596831U (en) | A kind of marsh gas raw materials charging machine | |
| CN209128711U (en) | A kind of flax with rotating disc boils bleaching device | |
| CN220824719U (en) | Emulsified asphalt production stirring device | |
| CN107471586B (en) | The clog-free extrusion method of molten state plastic foam | |
| CN111113801A (en) | Packing plastics high-efficient injection molding machine of dyeing uniformity dyeing | |
| CN214635748U (en) | Wine glass processing raw materials modulation equipment | |
| CN207292498U (en) | A kind of quick suction filling apparatus of culture medium | |
| CN216877978U (en) | Polyurethane hot melt adhesive production is with removing bubble equipment | |
| CN219667249U (en) | Foaming equipment of natural latex product | |
| CN220614798U (en) | Novel axle core mould structure | |
| CN206308406U (en) | The charging agitating device of aluminium alloy additive | |
| CN212498428U (en) | Mixing arrangement is used in foamed plastic production | |
| CN219072685U (en) | Blending tank convenient for processing feed type antifreezing solution | |
| CN204874661U (en) | Automatic production line that quenches of ring shaped workpieces | |
| CN2801453Y (en) | Film degassing injection car | |
| CN210448955U (en) | Polyamide glue agitator | |
| CN213842768U (en) | Demulsifier production sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |