CN116587484A - Vertical resin matrix forming equipment with movable slide block control cavity and method thereof - Google Patents

Vertical resin matrix forming equipment with movable slide block control cavity and method thereof Download PDF

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Publication number
CN116587484A
CN116587484A CN202310604466.1A CN202310604466A CN116587484A CN 116587484 A CN116587484 A CN 116587484A CN 202310604466 A CN202310604466 A CN 202310604466A CN 116587484 A CN116587484 A CN 116587484A
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CN
China
Prior art keywords
resin matrix
die
movable
mounting cylinder
resin
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Pending
Application number
CN202310604466.1A
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Chinese (zh)
Inventor
任娇怡
王梓同
苗鑫蕊
郑雯方
赵何梵
李义
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Jilin University
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Jilin University
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Priority to CN202310604466.1A priority Critical patent/CN116587484A/en
Publication of CN116587484A publication Critical patent/CN116587484A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/20Opening, closing or clamping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/30Mounting, exchanging or centering
    • B29C33/308Adjustable moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping 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
    • B29C70/36Shaping 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The application discloses a vertical resin matrix forming device with a movable slide block control cavity and a method thereof, and particularly relates to the technical field of resin matrix forming devices.

Description

Vertical resin matrix forming equipment with movable slide block control cavity and method thereof
Technical Field
The application relates to the technical field of resin matrix forming equipment, in particular to resin matrix vertical forming equipment with a movable slide block control cavity.
Background
The component made of the composite material has light weight, high strength and high rigidity, has important functions of reducing the weight of a carriage, reducing noise and vibration, improving safety and comfort, reducing maintenance and the like, and becomes an ideal structural component for high-speed rail transit.
At present, common production methods of resin-based fiber reinforced composite materials mainly comprise hand lay-up molding, RTM molding and SMC compression molding. The hand paste molding has low production efficiency and difficult control of product quality, and the production process has the emission of a large amount of harmful volatile matters, does not meet the environmental protection requirement, and has gradually reduced application range. RTM molding belongs to closed mold production, is beneficial to environmental protection, has low cost of a molding mold of a product, is suitable for small-medium batch and multi-variety production modes, has high product quality, and is considered as one of the main composite material production methods in the future. However, the battery box body matched with the railway vehicle industry is a large-size part, and due to the limitation of resin flowability of RTM molding, a complex resin injection system is generally required to be designed, so that the formation of defects such as bubbles, dry spots and the like in the resin filling process is difficult to avoid. While SMC molding is also a closed mold production, it generally requires a large molding pressure, which results in high mold and equipment investment, and is generally used in mass production.
Therefore, in order to meet the requirements of small-batch, multi-variety and high-quality production of large-size components of the composite material of the railway vehicle, the design and development of a novel production method are needed.
Disclosure of Invention
The application aims to provide a resin matrix vertical molding device with a movable slide block control cavity and a method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions:
the utility model provides a vertical former of resin matrix of movable slide block control die cavity, includes mould and lower mould, the lower mould sets up on the die holder, the upper end of die holder is provided with compound die locking mechanism, the upper end of going up the mould is provided with the filling pipe joint, filling pipe joint department is connected with the filling pipe, the one end that filling pipe joint was kept away from to the filling pipe is connected with compound die locking mechanism, the upper end of die holder is provided with movable slide block group.
In a preferred embodiment, the upper die is of an inverted U-shaped structure, the side wall of the upper die is perpendicular to the ground, the upper wall of the upper die is parallel to the ground, corrugated profiles are arranged on the upper walls of the upper die and the lower die, transition parts of the corrugated profiles are chamfered, so that a resin matrix is filled in a cavity under a gravity field when the side wall is formed, the lower die is used for forming the inner surface of a battery box body, the corrugated profiles are chamfered at the transition parts, defects generated when the resin matrix flowing in the horizontal direction of the transition parts flows in the vertical direction are reduced, and product quality is controlled.
In a preferred embodiment, the movable slide block group comprises a plurality of aluminum sleeves, each aluminum sleeve is provided with a mounting cavity at one end, a permanent magnet is fixedly arranged in each mounting cavity, one side of each permanent magnet is provided with a steel part, one end of each steel part, which is far away from each permanent magnet, is provided with an electromagnet, one end of each electromagnet is electrically connected with a forming controller through an external circuit, the movable slide block group is formed by the slide blocks on the same plane together, the number of the movable slide block groups is determined according to the outline dimension of the box body, the electromagnets are designed to drive the movable slide blocks to horizontally move, and the resin matrix in the side wall area is uniformly combined with the reinforcing fiber body at uniform speed when flowing downwards under the action of gravity.
In a preferred embodiment, the lower extreme fixed mounting of aluminum sheath has spacing slider, spacing spout has been seted up to the upper end lateral wall of aluminum sheath, the ball is installed to the bottom of spacing slider, the inside of spacing spout is provided with spacing lug, the bottom left and right sides of spacing lug all is provided with the rack, the below meshing of rack is provided with the gear, two the intermediate position of gear all runs through and is provided with the rotation axis, the lateral wall of aluminum sheath is passed to the one end of rotation axis to fixed connection sets up in the knob of aluminum sheath outer end, and the removal of convenient aluminum sheath of setting up of spacing slider and spacing spout makes the removal more smooth and easy, reduces the friction between the aluminum sheath.
In a preferred embodiment, the spacing slider is T type slider, just spacing slider and spacing spout assorted, the inside rectangular channel that supplies the rack to remove that is provided with of spacing spout, aluminium cover lateral wall is located knob department and is provided with the instruction scale, be provided with the instruction arrow on the knob, instruct scale and instruct the arrow and conveniently judge the position of rack, can the position of accurate adjustment spacing lug.
In a preferred embodiment, the upper end of the lower die holder is provided with a limit chute matched with the T-shaped sliding block, and one side of the lower die holder is provided with a groove.
In a preferred embodiment, the die locking mechanism comprises a mounting cylinder fixedly arranged in the groove, a movable plug is arranged in the mounting cylinder, a feed inlet is formed in one end of the mounting cylinder, a discharge outlet is formed in the other end of the mounting cylinder, a supporting rod is fixedly arranged at one end of the movable plug, one end of the supporting rod penetrates through the side wall of the mounting cylinder to be arranged, an adjusting rod is arranged at one end thread of the supporting rod, one end of the adjusting rod, far away from the supporting rod, is provided with a locking plate in a rotating mode, a reset spring is fixedly arranged at one end of the movable plug, the resin matrix is firstly fed through the mounting cylinder, the movable plug in the mounting cylinder drives the supporting rod and the adjusting rod to move, and accordingly the locking plate is driven to press and fix the lower die by the aid of the adjusting rod.
In a preferred embodiment, the feed inlet is connected with the storage vat through material pipe and charge pump, the discharge gate is connected through filling pipe joint, the inside wall of going up the mould is provided with the shower nozzle, be provided with the scale mark on the lateral wall of adjusting the pole, the bottom mounting of locking plate is provided with the stopper, set up on the die holder with stopper assorted spout, the setting of stopper can prevent that the locking plate from following the regulation pole and rotating.
In a preferred embodiment, the inside wall embedding of installation section of thick bamboo is provided with electric heating wire, the through-hole has been seted up to the tip of installation section of thick bamboo, through-hole department is provided with sealed apron, and the resin matrix heating after the solidification melts to the setting of electric heating wire is convenient to derive the resin matrix of installation section of thick bamboo inside.
The application also discloses a using method of the vertical resin matrix forming equipment with the movable slide block control cavity, which comprises the following steps:
s1, adjusting a die closing and locking mechanism and a movable sliding block set according to the thickness of a product to be processed and the thickness of a resin-based fiber reinforced composite material, assembling an upper die and a lower die after adjustment, and connecting an external circuit for controlling the movement of each movable sliding block set;
s2, designing the current change size and loading mode of each group in the movable sliding block group according to the temperature and viscosity of the injected resin, controlling each group to horizontally move at a reasonable speed from top to bottom in sequence by using a molding controller, starting molding from the upper surface, and controlling the injection speed by using an array nozzle;
s3, paving the fiber reinforcement on the inner surface of the upper die, pumping the resin matrix into a mounting cylinder by using a material pump, extruding and locking a lower die by a locking plate on one side of the mounting cylinder, and injecting the resin matrix flowing out of the mounting cylinder into a nozzle on the inner wall of the upper die through a filling pipeline;
s4, when the resin matrix flows to the side wall, the movable slide block group is sequentially electrified from top to bottom, the electrified movable slide block group sequentially moves horizontally to the central axis, and a sequentially opened empty cavity is provided for the resin matrix to flow so as to overcome the influence of uneven flow velocity caused by gravity, so that the resin matrix keeps uniform flow velocity and fills and forms all parts when the side wall is formed;
s5, after resin-based injection is completed and solidified, opening a sealing cover plate at the end part of the mounting cylinder, heating and melting the resin-based inside the mounting cylinder by using an electric heating wire, pushing out the resin-based by using a movable plug, stopping extrusion and locking of a die assembly locking mechanism on a lower die, taking down the lower die, and taking out a product.
Compared with the prior art, the application has the beneficial effects that:
1. according to the vertical resin matrix forming equipment with the movable slide block control cavity, for a thin-wall shell with a simple structure, reasonable control of gravity is realized through movement control of the movable slide block group, resin matrix can be relatively uniformly filled downwards when a side wall is formed, the quality of a product is controlled, meanwhile, compared with a traditional vacuum forming mode, the operation technical difficulty is reduced, and structures such as a limit slide block, a limit slide groove, a ball, a gear, a rack, a limit lug and an indication scale are arranged, so that the movable slide block group can move conveniently, the position of an aluminum sleeve can be limited, the flow rate limiting effect of the aluminum sleeve on the resin matrix is better, the position of the limit lug can be adjusted, and fiber reinforcements with different thicknesses can be processed;
2. according to the vertical resin matrix forming equipment with the movable slide block control cavity, the die clamping locking mechanism is connected with the feeding end of the resin matrix, when the resin matrix is fed, the movable plug in the mounting cylinder moves through the mounting cylinder in the die clamping locking mechanism, the movable plug can drive the locking plate to tightly press the lower die through the supporting rod and the adjusting rod, so that the upper die and the lower die are closed, the distance between the locking plate and the mounting cylinder can be adjusted, products with different thicknesses can be processed conveniently, and the vertical resin matrix forming equipment is simple in structure and convenient to operate.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1 according to the present application;
FIG. 3 is a schematic cross-sectional view of an aluminum sleeve according to the present application;
FIG. 4 is a schematic structural view of an aluminum sleeve according to the present application;
FIG. 5 is a schematic view of the internal structure of the mounting cylinder of the present application;
FIG. 6 is a schematic view of the structure of the adjusting lever of the present application;
FIG. 7 is a schematic diagram of the structure of the present application in the implementation process.
In the figure: 1. an upper die; 2. a lower die; 3. a lower die holder; 4. filling a pipe joint; 5. filling a pipeline; 6. a mold closing and locking mechanism; 601. a mounting cylinder; 602. a movable plug; 603. a feed inlet; 604. a discharge port; 605. a support rod; 606. an adjusting rod; 607. a locking plate; 608. a return spring; 609. scale marks; 610. a limiting block; 611. an electric heating wire; 612. sealing the cover plate; 7. a movable slider group; 701. an aluminum sleeve; 702. a permanent magnet; 703. a steel member; 704. an electromagnet; 705. an external circuit; 706. a molding controller; 707. a limit sliding block; 708. limiting sliding grooves; 709. a ball; 710. a limit bump; 711. a rack; 712. rectangular grooves; 713. a rotation shaft; 714. a knob; 715. an indication scale; 716. an indication arrow; 8. corrugated profile; 9. a fiber reinforcement.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-6, the present application provides the following technical solutions:
the utility model provides a vertical former of resin matrix of movable slide block control die cavity, includes mould 1 and lower mould 2 on including, lower mould 2 sets up on die holder 3, the upper end of die holder 3 is provided with compound die locking mechanism 6, the upper end of going up mould 1 is provided with filling pipe joint 4, filling pipe joint 4 department is connected with filling pipe 5, filling pipe 5 keeps away from filling pipe joint 4's one end and is connected with compound die locking mechanism 6, the upper end of die holder 3 is provided with movable slide block group 7.
In a preferred embodiment, the upper die 1 is arranged in an inverted U-shaped structure, the side wall of the upper die 1 is perpendicular to the ground, the upper wall of the upper die 1 is parallel to the ground, corrugated profiles 8 are arranged on the upper walls of the upper die 1 and the lower die 2, the transition parts of the corrugated profiles 8 are chamfer angles, so that a resin matrix is filled in a cavity under a gravity field when the side wall is formed, the lower die is used for forming the inner surface of a battery box body, the chamfer angles are arranged at the transition parts, defects caused when the resin matrix flowing in the horizontal direction of the transition parts flows in the vertical direction are reduced, and the product quality is controlled.
In a preferred embodiment, the movable slider group 7 includes a plurality of aluminum sleeves 701, one end of each aluminum sleeve 701 is provided with a mounting cavity, a permanent magnet 702 is fixedly arranged in the mounting cavity, one side of each permanent magnet 702 is provided with a steel member 703, one end of each steel member 703, which is far away from each permanent magnet 702, is provided with an electromagnet 704, one end of each electromagnet 704 is electrically connected with a forming controller 706 through an external circuit 705, two electromagnets 704 in the same group are mutually separated under the mutual repulsive interaction after the electromagnets 704 are powered off, so that the side wall of each aluminum sleeve 701 presses the inner side wall of the upper die 1 tightly, the two electromagnets 704 in the same group are mutually attracted after the electromagnets 704 are powered on, so that the side wall of each aluminum sleeve 701 is far away from the reinforcing fiber 9, a gap exists between the aluminum sleeve 701 and the reinforcing fiber 9, and the resin matrix is allowed to flow into the gap and keep a flowing state.
In a preferred embodiment, the lower extreme fixed mounting of aluminum sheath 701 has spacing slider 707, spacing spout 708 has been seted up to the upper end lateral wall of aluminum sheath 701, ball 709 is installed to the bottom of spacing slider 707, the inside of spacing spout 708 is provided with spacing lug 710, the bottom left and right sides of spacing lug 710 all is provided with rack 711, the below meshing of rack 711 is provided with the gear, two the intermediate position of gear all runs through and is provided with rotation axis 713, the lateral wall of aluminum sheath 701 is passed to the one end of rotation axis 713 to fixed connection sets up the knob 714 in aluminum sheath 701 outer end, and the removal of aluminum sheath 701 is made things convenient for in the setting of spacing slider 707, spacing spout 708 and ball 709, reduces the friction between other aluminum sheaths 701 when the aluminum sheath 701 removes, and the setting of spacing lug 710 can play the restriction, can control the space between aluminum sheath 701 and the reinforcing fiber body 9, and spacing lug 710 can adjust through gear and rack 711, conveniently carries out processing to different products.
In a preferred embodiment, the limit slider 707 is a T-shaped slider, the limit slider 707 is matched with the limit chute 708, a rectangular groove 712 for the rack 711 to move is provided in the limit chute 708, an indication scale 715 is provided on the outer side wall of the aluminum sleeve 701 at the knob 714, an indication arrow 716 is provided on the knob 714, and the adjustment distance of the limit bump 710 is conveniently controlled by the indication scale 715 and the indication arrow 716.
In a preferred embodiment, a limit chute 708 matched with the T-shaped sliding block 707 is formed at the upper end of the lower die holder 3, and a groove is formed on one side of the lower die holder 3.
In a preferred embodiment, the mold closing and locking mechanism 6 comprises a mounting cylinder 601 fixedly arranged in a groove, a movable plug 602 is arranged in the mounting cylinder 601, a feed inlet 603 is arranged at one end of the mounting cylinder 601, a discharge outlet 604 is arranged at the other end of the mounting cylinder 601, a support rod 605 is fixedly arranged at one end of the movable plug 602, one end of the support rod 605 penetrates through the side wall of the mounting cylinder 601, an adjusting rod 606 is arranged at one end of the support rod 605 in a threaded manner, a locking plate 607 is rotatably arranged at one end of the adjusting rod 606 far away from the support rod 605, a reset spring 608 is fixedly arranged at one end of the movable plug 602, and hydraulic or pneumatic locking is adopted in most cases.
In a preferred embodiment, the feed inlet 603 is connected with the storage vat through a material pipe and a material pump, the discharge outlet 604 is connected with the filling pipe joint 4 through the filling pipe 5, a spray head is arranged on the inner side wall of the upper die 1, a scale mark 609 is arranged on the outer side wall of the adjusting rod 606, a limiting block 610 is arranged at the bottom end of the locking plate 607, a chute matched with the limiting block 610 is arranged on the lower die holder 3, and the limiting block 610 can limit the locking plate 607 to rotate along with the adjusting rod 606, so that the locking plate 607 can be driven to move when the adjusting rod 606 rotates.
In a preferred embodiment, the electric heating wires 611 are embedded in the inner side wall of the mounting cylinder 601, through holes are formed in the end portion of the mounting cylinder 601, a sealing cover plate 612 is arranged at the through holes, and the electric heating wires 611 can heat the resin matrix cured inside the mounting cylinder 601, so that the resin matrix can be pushed out from the inside of the mounting cylinder 601 conveniently.
The application also discloses a using method of the vertical resin matrix forming equipment with the movable slide block control cavity, which comprises the following steps:
s1, adjusting a die clamping and locking mechanism 6 and a movable sliding block set 7 according to the thickness of a product to be processed and the thickness of a resin matrix fiber reinforced composite material, assembling an upper die 1 and a lower die 2 after adjustment is completed, and connecting an external circuit 705 for controlling the movement of each movable sliding block set 7;
when the movable slide block group 7 is adjusted, the rotary shaft 713 is driven to rotate through the knob 714, the gear can be driven to rotate when the rotary shaft 713 rotates, the rack 711 can drive the limit lug 710 to move when the gear rotates, and the moving distance of the limit lug 710 is judged according to the rotating angle of the knob 714;
when the die closing locking mechanism 6 is adjusted, the adjusting rod 606 is rotated, and because the adjusting rod 606 is in threaded connection with the supporting rod 605, the adjusting rod 606 can slide relative to the supporting rod 605 when rotating, so that the adjusting rod 606 drives the locking plate 607 to move, and the position of the adjusting rod 606 is judged according to the scale marks 609 on the adjusting rod 606;
s2, designing the current change size and the loading mode of each group in the movable slide block group 7 according to the temperature and the viscosity of the injected resin, controlling each group to horizontally move at a reasonable speed from top to bottom in sequence by using a molding controller 706, and controlling the injection speed by using an array nozzle from the upper surface;
s3, paving the fiber reinforcement 9 on the inner surface of the upper die 1, pumping the resin matrix into the mounting cylinder 601 by using a material pump, extruding and locking the lower die 2 by a locking plate 607 on one side of the mounting cylinder 601, and injecting the resin matrix flowing out of the mounting cylinder 601 into a nozzle on the inner wall of the upper die 1 through a filling pipeline 5;
when the fiber reinforcement 9 is paved, all electromagnets 704 are electrified to facilitate the paving of the fiber reinforcement 9, after the paving is finished, all the electromagnets 704 are powered off, the electromagnets 704 in the same group repel each other after the electromagnets 704 are powered off, so that the aluminum sleeve 701 is far away from each other, the side wall of the aluminum sleeve 701 is in close contact with the fiber reinforcement 9, no gap exists, a resin matrix cannot flow downwards, when a material pump is used for feeding the resin matrix, the resin matrix passes through the mounting cylinder 601 and flows in through the feed inlet 603 at one end of the mounting cylinder 601, the resin matrix pushes the movable plug 602 to move, when the movable plug 602 moves, the locking plate 607 can be driven to move through the supporting rod 605 and the adjusting rod 606, so that the lower die 2 is tightly pressed by the locking plate 607, the upper die 1 and the lower die 2 are locked, and when the locking plate 607 is tightly pressed on the lower die 2, the movable plug 602 moves to one end of the discharge port 604, the resin matrix flows into the filling pipeline 5 through the discharge port 604, and the filling pipe joint 5 is used for injecting the resin matrix;
s4, when the resin matrix flows to the side wall, the movable slide block group 7 is sequentially electrified from top to bottom, the electrified movable slide block group 7 sequentially moves horizontally to the central axis, and a sequentially opened empty cavity is provided for the resin matrix to flow so as to overcome the influence of uneven flow velocity caused by gravity, so that the resin matrix keeps uniform flow velocity and fills and forms all parts when the side wall is formed;
when the injected resin matrix flows downwards, the electromagnets 704 are sequentially electrified from top to bottom, the electrified electromagnets 704 are mutually attracted, so that two electromagnets 704 in the same group are mutually close, the electromagnets 704 drive the aluminum sleeve 701 to move, a certain gap is reserved between the aluminum sleeve 701 and the side wall of the fiber reinforcement 9, the resin matrix descends along the gap at a uniform speed, the balls 709 can move in the limiting sliding grooves 708 when the aluminum sleeve 701 moves, when the electromagnets 704 drive the aluminum sleeve 701 to move to a certain extent, the limiting protruding blocks 710 can play a limiting role on the balls 709, the continuous movement of the balls 709 can be prevented, and the gap between the aluminum sleeve 701 and the fiber reinforcement 9 can be controlled;
s5, after resin injection is completed and solidification is carried out, a sealing cover plate 612 at the end part of the mounting cylinder 601 is opened, the resin in the mounting cylinder 601 is heated and melted by utilizing an electric heating wire 611, the resin is pushed out by utilizing a movable plug 602, the die clamping and locking mechanism 6 stops extrusion and locking of the lower die 2, the lower die 2 is taken down, and a product is taken out;
as shown in fig. 7, the sidewall forming process may be divided into a to-be-cured area a, an unfilled area B and an unfilled area C, where the resin matrix in the to-be-cured area a is not completely cured, so that when the next set of movable sliders starts to move to create a cavity area, the resin matrix still maintains a certain fluidity; the unfilled region B moves under the control of a program, so that a cavity is created for the flowing filling of the resin matrix in the region to be cured; the movable slide block in the non-injected area C is still tightly pressed to strengthen the fiber body, the resin matrix is solidified after the whole injection is finished, the residual resin matrix in the installation cylinder 601 is heated and melted by utilizing the electric heating wire 611 after the solidification is finished, then the sealing cover plate 612 is opened, the residual resin matrix in the installation cylinder 601 is pushed out, the limit effect on the lower die 2 is lost by the locking plate 607, the lower die 2 is disassembled, and the product is taken out.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a vertical former of resin matrix of movable slide block control die cavity, includes cope match-die (1) and lower mould (2), lower mould (2) set up on die holder (3), its characterized in that: the upper end of die holder (3) is provided with compound die locking mechanism (6), the upper end of last mould (1) is provided with filling pipe joint (4), filling pipe joint (4) department is connected with filling pipe (5), the one end that filling pipe (5) kept away from filling pipe joint (4) is connected with compound die locking mechanism (6), the upper end of die holder (3) is provided with movable slider group (7).
2. The resin matrix vertical molding apparatus of a movable slider control cavity according to claim 1, wherein: the upper die (1) is of an inverted U-shaped structure, the side wall of the upper die (1) is perpendicular to the ground, the upper wall of the upper die (1) is parallel to the ground, corrugated profiles (8) are arranged on the upper walls of the upper die (1) and the lower die (2), and the transition positions of the corrugated profiles (8) are chamfer angles.
3. The resin matrix vertical molding apparatus of a movable slider control cavity according to claim 1, wherein: the movable sliding block set (7) comprises a plurality of aluminum sleeves (701), each aluminum sleeve (701) is provided with a mounting cavity at one end, a permanent magnet (702) is fixedly arranged in each mounting cavity, one side of each permanent magnet (702) is provided with a steel piece (703), one end, far away from each permanent magnet (702), of each steel piece (703) is provided with an electromagnet (704), and one end of each electromagnet (704) is electrically connected with a forming controller (706) through an external circuit (705).
4. A resin matrix vertical molding apparatus of a movable slide control cavity according to claim 3, wherein: the utility model discloses a rotary knob, including aluminum sleeve (701), spacing slider (707) is fixed firmly to the lower extreme of aluminum sleeve (701), spacing spout (708) have been seted up to the upper end lateral wall of aluminum sleeve (701), ball (709) are installed to the bottom of spacing slider (707), the inside of spacing spout (708) is provided with spacing lug (710), the bottom left and right sides of spacing lug (710) all is provided with rack (711), the below meshing of rack (711) is provided with the gear, two the intermediate position of gear all runs through and is provided with rotation axis (713), the lateral wall of aluminum sleeve (701) is passed to the one end of rotation axis (713) to fixed connection sets up in knob (714) of aluminum sleeve (701) outer end.
5. The apparatus for vertically molding a resin matrix in a movable slide control cavity as claimed in claim 4, wherein: the limiting sliding block (707) is a T-shaped sliding block, the limiting sliding block (707) is matched with the limiting sliding groove (708), a rectangular groove (712) for a rack (711) to move is formed in the limiting sliding groove (708), an indication scale (715) is arranged on the outer side wall of the aluminum sleeve (701) at the knob (714), and an indication arrow (716) is arranged on the knob (714).
6. The apparatus for vertically molding a resin matrix in a movable slide control cavity as claimed in claim 4, wherein: the upper end of the lower die holder (3) is provided with a limit chute (708) matched with the T-shaped sliding block (707), and one side of the lower die holder (3) is provided with a groove.
7. The resin matrix vertical molding apparatus of a movable slider control cavity according to claim 6, wherein: the die locking mechanism (6) comprises a mounting cylinder (601) fixedly arranged in the groove, a movable plug (602) is arranged in the mounting cylinder (601), a feed inlet (603) is formed in one end of the mounting cylinder (601), a discharge outlet (604) is formed in the other end of the mounting cylinder (601), a supporting rod (605) is fixedly arranged at one end of the movable plug (602), one end of the supporting rod (605) penetrates through the side wall of the mounting cylinder (601) to be arranged, an adjusting rod (606) is arranged at one end of the supporting rod (605) in a threaded mode, a locking plate (607) is arranged at one end, far away from the supporting rod (605), of the adjusting rod (606), and a reset spring (608) is fixedly arranged at one end of the movable plug (602).
8. The resin matrix vertical molding apparatus of a movable slider control cavity according to claim 7, wherein: the feeding hole (603) is connected with the storage vat through a material pipe and a material pump, the material outlet (604) is connected with a material filling pipe joint (4) through a material filling pipe (5), a spray head is arranged on the inner side wall of the upper die (1), a scale mark (609) is arranged on the outer side wall of the adjusting rod (606), a limiting block (610) is arranged at the bottom end of the locking plate (607) in a fixed manner, and a chute matched with the limiting block (610) is formed in the lower die holder (3).
9. The resin matrix vertical molding apparatus of a movable slider control cavity according to claim 7, wherein: the electric heating wire (611) is embedded in the inner side wall of the mounting cylinder (601), a through hole is formed in the end portion of the mounting cylinder (601), and a sealing cover plate (612) is arranged at the through hole.
10. The method of using a resin matrix vertical molding apparatus of a movable slider control cavity according to any of claims 1 to 9, comprising the steps of:
s1, adjusting a die clamping and locking mechanism (6) and a movable sliding block group (7) according to the thickness of a product to be processed and the thickness of a resin-based fiber reinforced composite material, and assembling an upper die (1) and a lower die (2) after adjustment is completed, and connecting an external circuit (705) for controlling the movement of each movable sliding block group (7);
s2, designing the current change size and loading mode of each group in the movable sliding block group (7) according to the temperature and viscosity of the injected resin, controlling each group to horizontally move at a reasonable speed from top to bottom in sequence by using a forming controller (706), forming from the upper surface, and controlling the injection speed by using an array nozzle;
s3, paving a fiber reinforcement (9) on the inner surface of the upper die (1), then pumping resin matrix into a mounting cylinder (601) by using a material pump, extruding and locking a lower die (2) by a locking plate (607) at one side of the mounting cylinder (601), and injecting the resin matrix flowing out of the mounting cylinder (601) into a nozzle on the inner wall of the upper die (1) through a filling pipeline (5);
s4, when the resin matrix flows to the side wall, the movable slide block group (7) is sequentially electrified from top to bottom, the electrified movable slide block group (7) sequentially moves horizontally to the central axis, and a sequentially opened empty cavity is provided for the resin matrix to flow so as to overcome the influence of uneven flow rate caused by gravity, so that the resin matrix keeps uniform flow rate and fills and forms all parts when the side wall is formed;
s5, after resin injection is completed and solidification is carried out, a sealing cover plate (612) at the end part of the mounting cylinder (601) is opened, the resin in the mounting cylinder (601) is heated and melted by utilizing an electric heating wire (611), the resin is pushed out by utilizing a movable plug (602), the die clamping and locking mechanism (6) stops extruding and locking the lower die (2), the lower die (2) is taken down, and the product is taken out.
CN202310604466.1A 2023-05-26 2023-05-26 Vertical resin matrix forming equipment with movable slide block control cavity and method thereof Pending CN116587484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310604466.1A CN116587484A (en) 2023-05-26 2023-05-26 Vertical resin matrix forming equipment with movable slide block control cavity and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310604466.1A CN116587484A (en) 2023-05-26 2023-05-26 Vertical resin matrix forming equipment with movable slide block control cavity and method thereof

Publications (1)

Publication Number Publication Date
CN116587484A true CN116587484A (en) 2023-08-15

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Application Number Title Priority Date Filing Date
CN202310604466.1A Pending CN116587484A (en) 2023-05-26 2023-05-26 Vertical resin matrix forming equipment with movable slide block control cavity and method thereof

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Country Link
CN (1) CN116587484A (en)

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